55665004 has 12 divisors (see below), whose sum is σ = 103144104. Its totient is φ = 26195264.

The previous prime is 55664981. The next prime is 55665013. The reversal of 55665004 is 40056655.

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, 409234 + ... + 409369.

It is an arithmetic number, because the mean of its divisors is an integer number (8595342).

Almost surely, 2^55665004 is an apocalyptic number.

It is an amenable number.

55665004 is a deficient number, since it is larger than the sum of its proper divisors (47479100).

55665004 is a wasteful number, since it uses less digits than its factorization.

55665004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818624 (or 818622 counting only the distinct ones).

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

The square root of 55665004 is about 7460.8983373318. The cubic root of 55665004 is about 381.8218242008.

The spelling of 55665004 in words is "fifty-five million, six hundred sixty-five thousand, four".