55975504 has 60 divisors (see below), whose sum is σ = 119087616. Its totient is φ = 25474176.

The previous prime is 55975489. The next prime is 55975511. The reversal of 55975504 is 40557955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343327 + ... + 343489.

Almost surely, 2^55975504 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 55975504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59543808).

55975504 is an abundant number, since it is smaller than the sum of its proper divisors (63112112).

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

55975504 is a wasteful number, since it uses less digits than its factorization.

55975504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 55975504 is about 7481.6778866776. The cubic root of 55975504 is about 382.5304437016.

The spelling of 55975504 in words is "fifty-five million, nine hundred seventy-five thousand, five hundred four".