56712745 has 4 divisors (see below), whose sum is σ = 68055300. Its totient is φ = 45370192.

The previous prime is 56712713. The next prime is 56712767. The reversal of 56712745 is 54721765.

56712745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 30946969 = 5076^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 56712745 - 2⁵ = 56712713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671270 + ... + 5671279.

It is an arithmetic number, because the mean of its divisors is an integer number (17013825).

Almost surely, 2^56712745 is an apocalyptic number.

It is an amenable number.

56712745 is a deficient number, since it is larger than the sum of its proper divisors (11342555).

56712745 is a wasteful number, since it uses less digits than its factorization.

56712745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342554.

The product of its digits is 58800, while the sum is 37.

The square root of 56712745 is about 7530.7864795120. The cubic root of 56712745 is about 384.2025321395.

The spelling of 56712745 in words is "fifty-six million, seven hundred twelve thousand, seven hundred forty-five".