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55024016502 = 23713796132081
BaseRepresentation
bin110011001111101011…
…111101110001110110
312021000201101122122010
4303033223331301312
51400142122012002
641135551345050
73655355265120
oct631753756166
9167021348563
1055024016502
1121376694004
12a7b7522186
13525b889c60
14293da84210
15167099246c
hexccfafdc76

55024016502 has 128 divisors (see below), whose sum is σ = 137447976960. Its totient is φ = 14297886720.

The previous prime is 55024016413. The next prime is 55024016507. The reversal of 55024016502 is 20561042055.

It is a self number, because there is not a number n which added to its sum of digits gives 55024016502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55024016507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26440102 + ... + 26442182.

It is an arithmetic number, because the mean of its divisors is an integer number (1073812320).

Almost surely, 255024016502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55024016502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68723988480).

55024016502 is an abundant number, since it is smaller than the sum of its proper divisors (82423960458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55024016502 is a wasteful number, since it uses less digits than its factorization.

55024016502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55024016502 its reverse (20561042055), we get a palindrome (75585058557).

The spelling of 55024016502 in words is "fifty-five billion, twenty-four million, sixteen thousand, five hundred two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 79 91 158 182 237 273 474 546 553 613 1027 1106 1226 1659 1839 2054 2081 3081 3318 3678 4162 4291 6162 6243 7189 7969 8582 12486 12873 14378 14567 15938 21567 23907 25746 27053 29134 43134 43701 47814 48427 54106 55783 81159 87402 96854 111566 145281 162318 164399 167349 189371 290562 328798 334698 338989 378742 493197 568113 629551 677978 986394 1016967 1136226 1150793 1259102 1275653 1888653 2033934 2137187 2301586 2551306 3452379 3777306 3826959 4274374 4406857 6411561 6904758 7653918 8813714 8929571 12823122 13220571 14960309 16583489 17859142 26441142 26788713 29920618 33166978 44880927 49750467 53577426 89761854 99500934 100776587 116084423 201553174 232168846 302329761 348253269 604659522 696506538 705436109 1310095631 1410872218 2116308327 2620191262 3930286893 4232616654 7860573786 9170669417 18341338834 27512008251 55024016502