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55322488 = 23132172983
BaseRepresentation
bin1101001100001…
…0011101111000
310212002200012001
43103002131320
5103130304423
65253430344
71241143024
oct323023570
9125080161
1055322488
1129256671
121663b3b4
13b5ccc00
1474c1384
154ccbcad
hex34c2778

55322488 has 96 divisors (see below), whose sum is σ = 124513200. Its totient is φ = 22923264.

The previous prime is 55322483. The next prime is 55322497. The reversal of 55322488 is 88422355.

55322488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55322483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666495 + ... + 666577.

Almost surely, 255322488 is an apocalyptic number.

55322488 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55322488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62256600).

55322488 is an abundant number, since it is smaller than the sum of its proper divisors (69190712).

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

55322488 is a wasteful number, since it uses less digits than its factorization.

55322488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 55322488 is about 7437.9088459055. The cubic root of 55322488 is about 381.0370747626.

The spelling of 55322488 in words is "fifty-five million, three hundred twenty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 17 26 29 34 52 58 68 83 104 116 136 166 169 221 232 332 338 377 442 493 664 676 754 884 986 1079 1352 1411 1508 1768 1972 2158 2407 2822 2873 3016 3944 4316 4814 4901 5644 5746 6409 8632 9628 9802 11288 11492 12818 14027 18343 19256 19604 22984 25636 28054 31291 36686 39208 40919 51272 56108 62582 73372 81838 83317 112216 125164 146744 163676 166634 238459 250328 327352 333268 406783 476918 531947 666536 813566 953836 1063894 1627132 1907672 2127788 3254264 4255576 6915311 13830622 27661244 55322488