56689926939 has 48 divisors (see below), whose sum is σ = 84376131840. Its totient is φ = 36662184000.

The previous prime is 56689926901. The next prime is 56689926949. The reversal of 56689926939 is 93962998665.

56689926939 is a `hidden beast` number, since 566 + 8 + 9 + 9 + 26 + 9 + 39 = 666.

It is not a de Polignac number, because 56689926939 - 2⁹ = 56689926427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56689926949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17436064 + ... + 17439314.

It is an arithmetic number, because the mean of its divisors is an integer number (1757836080).

Almost surely, 2^56689926939 is an apocalyptic number.

56689926939 is a deficient number, since it is larger than the sum of its proper divisors (27686204901).

56689926939 is a wasteful number, since it uses less digits than its factorization.

56689926939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3709 counting only the distinct ones).

The product of its digits is 340122240, while the sum is 72.

The spelling of 56689926939 in words is "fifty-six billion, six hundred eighty-nine million, nine hundred twenty-six thousand, nine hundred thirty-nine".