55055045504 has 16 divisors (see below), whose sum is σ = 109679973720. Its totient is φ = 27527522688.

The previous prime is 55055045443. The next prime is 55055045527. The reversal of 55055045504 is 40554055055.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×55055045504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215058644 + ... + 215058899.

Almost surely, 2^55055045504 is an apocalyptic number.

It is an amenable number.

55055045504 is a deficient number, since it is larger than the sum of its proper divisors (54624928216).

55055045504 is an equidigital number, since it uses as much as digits as its factorization.

55055045504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430117557 (or 430117545 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 38.

The spelling of 55055045504 in words is "fifty-five billion, fifty-five million, forty-five thousand, five hundred four".