56673428031 has 80 divisors (see below), whose sum is σ = 95678668800. Its totient is φ = 33115521600.

The previous prime is 56673427991. The next prime is 56673428041. The reversal of 56673428031 is 13082437665.

56673428031 is a `hidden beast` number, since 566 + 7 + 3 + 4 + 2 + 80 + 3 + 1 = 666.

It is not a de Polignac number, because 56673428031 - 2¹⁴ = 56673411647 is a prime.

It is a super-2 number, since 2×56673428031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56673428041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26845666 + ... + 26847776.

It is an arithmetic number, because the mean of its divisors is an integer number (1195983360).

Almost surely, 2^56673428031 is an apocalyptic number.

56673428031 is a deficient number, since it is larger than the sum of its proper divisors (39005240769).

56673428031 is a wasteful number, since it uses less digits than its factorization.

56673428031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 56673428031 in words is "fifty-six billion, six hundred seventy-three million, four hundred twenty-eight thousand, thirty-one".