555559865432 has 32 divisors (see below), whose sum is σ = 1223785720080. Its totient is φ = 233102040960.

The previous prime is 555559865381. The next prime is 555559865467. The reversal of 555559865432 is 234568955555.

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, 242813483 + ... + 242815770.

Almost surely, 2^555559865432 is an apocalyptic number.

555559865432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

555559865432 is an abundant number, since it is smaller than the sum of its proper divisors (668225854648).

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

555559865432 is a wasteful number, since it uses less digits than its factorization.

555559865432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485629283 (or 485629279 counting only the distinct ones).

The product of its digits is 162000000, while the sum is 62.

The spelling of 555559865432 in words is "five hundred fifty-five billion, five hundred fifty-nine million, eight hundred sixty-five thousand, four hundred thirty-two".