56705753 has 12 divisors (see below), whose sum is σ = 61626348. Its totient is φ = 52153920.

The previous prime is 56705749. The next prime is 56705771. The reversal of 56705753 is 35750765.

It can be written as a sum of positive squares in 6 ways, for example, as 26708224 + 29997529 = 5168^2 + 5477^2 .

It is not a de Polignac number, because 56705753 - 2² = 56705749 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56705153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70751 + ... + 71547.

It is an arithmetic number, because the mean of its divisors is an integer number (5135529).

Almost surely, 2^56705753 is an apocalyptic number.

It is an amenable number.

56705753 is a deficient number, since it is larger than the sum of its proper divisors (4920595).

56705753 is a wasteful number, since it uses less digits than its factorization.

56705753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 56705753 is about 7530.3222374610. The cubic root of 56705753 is about 384.1867423054.

The spelling of 56705753 in words is "fifty-six million, seven hundred five thousand, seven hundred fifty-three".