55000556624 has 40 divisors (see below), whose sum is σ = 118462751232. Its totient is φ = 24566002560.

The previous prime is 55000556599. The next prime is 55000556683. The reversal of 55000556624 is 42665500055.

It is a happy number.

It is a super-2 number, since 2×55000556624² (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 in 7 ways as a sum of consecutive naturals, for example, 4258484 + ... + 4271379.

Almost surely, 2^55000556624 is an apocalyptic number.

It is an amenable number.

55000556624 is an abundant number, since it is smaller than the sum of its proper divisors (63462194608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55000556624 is a wasteful number, since it uses less digits than its factorization.

55000556624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529915 (or 8529909 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55000556624 in words is "fifty-five billion, five hundred fifty-six thousand, six hundred twenty-four".