56121671224 has 16 divisors (see below), whose sum is σ = 106031403720. Its totient is φ = 27846630240.

The previous prime is 56121671143. The next prime is 56121671239. The reversal of 56121671224 is 42217612165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26774559 + ... + 26776654.

Almost surely, 2^56121671224 is an apocalyptic number.

It is an amenable number.

56121671224 is a deficient number, since it is larger than the sum of its proper divisors (49909732496).

56121671224 is a wasteful number, since it uses less digits than its factorization.

56121671224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53551350 (or 53551346 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The spelling of 56121671224 in words is "fifty-six billion, one hundred twenty-one million, six hundred seventy-one thousand, two hundred twenty-four".