56638949228 has 6 divisors (see below), whose sum is σ = 99118161156. Its totient is φ = 28319474612.

The previous prime is 56638949203. The next prime is 56638949239. The reversal of 56638949228 is 82294983665.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7079868650 + ... + 7079868657.

It is an arithmetic number, because the mean of its divisors is an integer number (16519693526).

Almost surely, 2^56638949228 is an apocalyptic number.

It is an amenable number.

56638949228 is a deficient number, since it is larger than the sum of its proper divisors (42479211928).

56638949228 is a wasteful number, since it uses less digits than its factorization.

56638949228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159737311 (or 14159737309 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 62.

The spelling of 56638949228 in words is "fifty-six billion, six hundred thirty-eight million, nine hundred forty-nine thousand, two hundred twenty-eight".