55656004 has 12 divisors (see below), whose sum is σ = 97451200. Its totient is φ = 27812808.

The previous prime is 55656001. The next prime is 55656019. The reversal of 55656004 is 40065655.

It is not an unprimeable number, because it can be changed into a prime (55656001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10057 + ... + 14575.

Almost surely, 2^55656004 is an apocalyptic number.

It is an amenable number.

55656004 is a deficient number, since it is larger than the sum of its proper divisors (41795196).

55656004 is a wasteful number, since it uses less digits than its factorization.

55656004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 55656004 is about 7460.2951684233. The cubic root of 55656004 is about 381.8012452530.

The spelling of 55656004 in words is "fifty-five million, six hundred fifty-six thousand, four".