56751511767 has 16 divisors (see below), whose sum is σ = 76097191392. Its totient is φ = 37620684800.

The previous prime is 56751511727. The next prime is 56751511769. The reversal of 56751511767 is 76711515765.

It is a cyclic number.

It is not a de Polignac number, because 56751511767 - 2⁸ = 56751511511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56751511769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306943 + ... + 455759.

It is an arithmetic number, because the mean of its divisors is an integer number (4756074462).

Almost surely, 2^56751511767 is an apocalyptic number.

56751511767 is a deficient number, since it is larger than the sum of its proper divisors (19345679625).

56751511767 is a wasteful number, since it uses less digits than its factorization.

56751511767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149538.

The product of its digits is 1543500, while the sum is 51.

The spelling of 56751511767 in words is "fifty-six billion, seven hundred fifty-one million, five hundred eleven thousand, seven hundred sixty-seven".