55169532 has 48 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 16717680.

The previous prime is 55169509. The next prime is 55169561. The reversal of 55169532 is 23596155.

It is a super-2 number, since 2×55169532² = 6087354522198048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22032 + ... + 24407.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^55169532 is an apocalyptic number.

It is an amenable number.

55169532 is an abundant number, since it is smaller than the sum of its proper divisors (100868868).

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

55169532 is a wasteful number, since it uses less digits than its factorization.

55169532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46463 (or 46455 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55169532 is about 7427.6195379139. The cubic root of 55169532 is about 380.6855859780.

The spelling of 55169532 in words is "fifty-five million, one hundred sixty-nine thousand, five hundred thirty-two".