56767751 has 2 divisors, whose sum is σ = 56767752. Its totient is φ = 56767750.

The previous prime is 56767721. The next prime is 56767771. The reversal of 56767751 is 15776765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56767751 - 2¹⁴ = 56751367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56767721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28383875 + 28383876.

It is an arithmetic number, because the mean of its divisors is an integer number (28383876).

Almost surely, 2^56767751 is an apocalyptic number.

56767751 is a deficient number, since it is larger than the sum of its proper divisors (1).

56767751 is an equidigital number, since it uses as much as digits as its factorization.

56767751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308700, while the sum is 44.

The square root of 56767751 is about 7534.4376697933. The cubic root of 56767751 is about 384.3267053783.

The spelling of 56767751 in words is "fifty-six million, seven hundred sixty-seven thousand, seven hundred fifty-one".