55564004 has 12 divisors (see below), whose sum is σ = 97296444. Its totient is φ = 27765024.

The previous prime is 55563983. The next prime is 55564031. The reversal of 55564004 is 40046555.

It can be written as a sum of positive squares in 2 ways, for example, as 54789604 + 774400 = 7402^2 + 880^2 .

It is a super-3 number, since 3×55564004³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (8108037).

Almost surely, 2^55564004 is an apocalyptic number.

It is an amenable number.

55564004 is a deficient number, since it is larger than the sum of its proper divisors (41732440).

55564004 is a wasteful number, since it uses less digits than its factorization.

55564004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494 (or 8492 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55564004 is about 7454.1266423371. The cubic root of 55564004 is about 381.5907553134.

The spelling of 55564004 in words is "fifty-five million, five hundred sixty-four thousand, four".