55532904 has 64 divisors (see below), whose sum is σ = 163799040. Its totient is φ = 15353280.

The previous prime is 55532891. The next prime is 55532929. The reversal of 55532904 is 40923555.

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, 124 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (2559360).

Almost surely, 2^55532904 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 55532904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81899520).

55532904 is an abundant number, since it is smaller than the sum of its proper divisors (108266136).

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

55532904 is a wasteful number, since it uses less digits than its factorization.

55532904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710 (or 10706 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55532904 is about 7452.0402575402. The cubic root of 55532904 is about 381.5195480182.

The spelling of 55532904 in words is "fifty-five million, five hundred thirty-two thousand, nine hundred four".