56557412432 has 40 divisors (see below), whose sum is σ = 109979440032. Its totient is φ = 28175817600.

The previous prime is 56557412411. The next prime is 56557412441. The reversal of 56557412432 is 23421475565.

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, 5075507 + ... + 5086637.

Almost surely, 2^56557412432 is an apocalyptic number.

It is an amenable number.

56557412432 is a deficient number, since it is larger than the sum of its proper divisors (53422027600).

56557412432 is a wasteful number, since it uses less digits than its factorization.

56557412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12261 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 44.

Adding to 56557412432 its reverse (23421475565), we get a palindrome (79978887997).

The spelling of 56557412432 in words is "fifty-six billion, five hundred fifty-seven million, four hundred twelve thousand, four hundred thirty-two".