55608504 has 64 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 15795840.

The previous prime is 55608493. The next prime is 55608517. The reversal of 55608504 is 40580655.

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, 31222 + ... + 32954.

It is an arithmetic number, because the mean of its divisors is an integer number (2496960).

Almost surely, 2^55608504 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 55608504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79902720).

55608504 is an abundant number, since it is smaller than the sum of its proper divisors (104196936).

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

55608504 is a wasteful number, since it uses less digits than its factorization.

55608504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55608504 is about 7457.1109687331. The cubic root of 55608504 is about 381.6925973708.

The spelling of 55608504 in words is "fifty-five million, six hundred eight thousand, five hundred four".