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55253352 = 233711291031
BaseRepresentation
bin1101001011000…
…1100101101000
310211222011100110
43102301211220
5103121101402
65252134320
71240434330
oct322614550
9124864313
1055253352
1129209730
12166073a0
13b5a75bb
1474a40c0
154cb656c
hex34b1968

55253352 has 128 divisors (see below), whose sum is σ = 178329600. Its totient is φ = 13843200.

The previous prime is 55253339. The next prime is 55253353. The reversal of 55253352 is 25335255.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55253353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53077 + ... + 54107.

It is an arithmetic number, because the mean of its divisors is an integer number (1393200).

Almost surely, 255253352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55253352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89164800).

55253352 is an abundant number, since it is smaller than the sum of its proper divisors (123076248).

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

55253352 is a wasteful number, since it uses less digits than its factorization.

55253352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1083 counting only the distinct ones).

The product of its digits is 22500, while the sum is 30.

The square root of 55253352 is about 7433.2598501600. The cubic root of 55253352 is about 380.8782824314.

The spelling of 55253352 in words is "fifty-five million, two hundred fifty-three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 29 33 42 44 56 58 66 77 84 87 88 116 132 154 168 174 203 231 232 264 308 319 348 406 462 609 616 638 696 812 924 957 1031 1218 1276 1624 1848 1914 2062 2233 2436 2552 3093 3828 4124 4466 4872 6186 6699 7217 7656 8248 8932 11341 12372 13398 14434 17864 21651 22682 24744 26796 28868 29899 34023 43302 45364 53592 57736 59798 68046 79387 86604 89697 90728 119596 136092 158774 173208 179394 209293 238161 239192 272184 317548 328889 358788 418586 476322 627879 635096 657778 717576 837172 952644 986667 1255758 1315556 1674344 1905288 1973334 2302223 2511516 2631112 3946668 4604446 5023032 6906669 7893336 9208892 13813338 18417784 27626676 55253352