56011757 has 6 divisors (see below), whose sum is σ = 57346542. Its totient is φ = 54707352.

The previous prime is 56011751. The next prime is 56011783. The reversal of 56011757 is 75711065.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 9853321 = 6794^2 + 3139^2 .

It is not a de Polignac number, because 56011757 - 2¹² = 56007661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011751) 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 5 ways as a sum of consecutive naturals, for example, 13298 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (9557757).

Almost surely, 2^56011757 is an apocalyptic number.

It is an amenable number.

56011757 is a deficient number, since it is larger than the sum of its proper divisors (1334785).

56011757 is an equidigital number, since it uses as much as digits as its factorization.

56011757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30379 (or 30336 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 56011757 is about 7484.1002799268. The cubic root of 56011757 is about 382.6130088856.

The spelling of 56011757 in words is "fifty-six million, eleven thousand, seven hundred fifty-seven".