56647713837 has 256 divisors, whose sum is σ = 103638528000. Its totient is φ = 27100569600.

The previous prime is 56647713821. The next prime is 56647713869. The reversal of 56647713837 is 73831774665.

It is not a de Polignac number, because 56647713837 - 2⁴ = 56647713821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

Its product of digits (17781120) is a multiple of the sum of its prime factors (189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56647713877) by changing a digit.

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 255 ways as a sum of consecutive naturals, for example, 960130714 + ... + 960130772.

It is an arithmetic number, because the mean of its divisors is an integer number (404838000).

Almost surely, 2^56647713837 is an apocalyptic number.

56647713837 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

56647713837 is a deficient number, since it is larger than the sum of its proper divisors (46990814163).

56647713837 is a wasteful number, since it uses less digits than its factorization.

56647713837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 163 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The spelling of 56647713837 in words is "fifty-six billion, six hundred forty-seven million, seven hundred thirteen thousand, eight hundred thirty-seven".