55544575600 has 30 divisors (see below), whose sum is σ = 133445843840. Its totient is φ = 22217830080.

The previous prime is 55544575591. The next prime is 55544575613. The reversal of 55544575600 is 657544555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69430320 + ... + 69431119.

Almost surely, 2^55544575600 is an apocalyptic number.

55544575600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55544575600 is an abundant number, since it is smaller than the sum of its proper divisors (77901268240).

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

55544575600 is a wasteful number, since it uses less digits than its factorization.

55544575600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138861457 (or 138861446 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 46.

The spelling of 55544575600 in words is "fifty-five billion, five hundred forty-four million, five hundred seventy-five thousand, six hundred".