56143371328 has 28 divisors (see below), whose sum is σ = 121537640592. Its totient is φ = 25519713920.

The previous prime is 56143371313. The next prime is 56143371337. The reversal of 56143371328 is 82317334165.

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, 39873850 + ... + 39875257.

Almost surely, 2^56143371328 is an apocalyptic number.

It is an amenable number.

56143371328 is an abundant number, since it is smaller than the sum of its proper divisors (65394269264).

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

56143371328 is a wasteful number, since it uses less digits than its factorization.

56143371328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79749130 (or 79749120 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The spelling of 56143371328 in words is "fifty-six billion, one hundred forty-three million, three hundred seventy-one thousand, three hundred twenty-eight".