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55132068 = 2237164709
BaseRepresentation
bin1101001001001…
…1111110100100
310211201222222110
43102103332210
5103103211233
65245401020
71236420615
oct322237644
9124658873
1055132068
11291365a2
1216569170
13b564334
147471c0c
154c90663
hex3493fa4

55132068 has 24 divisors (see below), whose sum is σ = 130455360. Its totient is φ = 18118240.

The previous prime is 55132061. The next prime is 55132069. The reversal of 55132068 is 86023155.

It is not an unprimeable number, because it can be changed into a prime (55132061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31503 + ... + 33206.

It is an arithmetic number, because the mean of its divisors is an integer number (5435640).

Almost surely, 255132068 is an apocalyptic number.

It is an amenable number.

55132068 is an abundant number, since it is smaller than the sum of its proper divisors (75323292).

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

55132068 is a wasteful number, since it uses less digits than its factorization.

55132068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64787 (or 64785 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 55132068 is about 7425.0971710813. The cubic root of 55132068 is about 380.5993956855.

The spelling of 55132068 in words is "fifty-five million, one hundred thirty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 64709 129418 194127 258836 388254 776508 4594339 9188678 13783017 18377356 27566034 55132068