55555504 has 20 divisors (see below), whose sum is σ = 109930464. Its totient is φ = 27186368.

The previous prime is 55555481. The next prime is 55555517. The reversal of 55555504 is 40555555.

It is a self number, because there is not a number n which added to its sum of digits gives 55555504.

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, 36187 + ... + 37690.

Almost surely, 2^55555504 is an apocalyptic number.

It is an amenable number.

55555504 is a deficient number, since it is larger than the sum of its proper divisors (54374960).

55555504 is a wasteful number, since it uses less digits than its factorization.

55555504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73932 (or 73926 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 55555504 is about 7453.5564665467. The cubic root of 55555504 is about 381.5712961516.

The spelling of 55555504 in words is "fifty-five million, five hundred fifty-five thousand, five hundred four".