55432532512 has 24 divisors (see below), whose sum is σ = 124723198656. Its totient is φ = 23756799552.

The previous prime is 55432532447. The next prime is 55432532521. The reversal of 55432532512 is 21523523455.

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, 123733108 + ... + 123733555.

It is an arithmetic number, because the mean of its divisors is an integer number (5196799944).

Almost surely, 2^55432532512 is an apocalyptic number.

It is an amenable number.

55432532512 is an abundant number, since it is smaller than the sum of its proper divisors (69290666144).

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

55432532512 is a wasteful number, since it uses less digits than its factorization.

55432532512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247466680 (or 247466672 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

The spelling of 55432532512 in words is "fifty-five billion, four hundred thirty-two million, five hundred thirty-two thousand, five hundred twelve".