56715077 has 4 divisors (see below), whose sum is σ = 60051276. Its totient is φ = 53378880.

The previous prime is 56715067. The next prime is 56715091. The reversal of 56715077 is 77051765.

56715077 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 32103556 + 24611521 = 5666^2 + 4961^2 .

It is a cyclic number.

It is not a de Polignac number, because 56715077 - 2¹⁴ = 56698693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56715077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56715067) by changing a digit.

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, 1668074 + ... + 1668107.

It is an arithmetic number, because the mean of its divisors is an integer number (15012819).

Almost surely, 2^56715077 is an apocalyptic number.

It is an amenable number.

56715077 is a deficient number, since it is larger than the sum of its proper divisors (3336199).

56715077 is a wasteful number, since it uses less digits than its factorization.

56715077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336198.

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 56715077 is about 7530.9413090264. The cubic root of 56715077 is about 384.2077981400.

The spelling of 56715077 in words is "fifty-six million, seven hundred fifteen thousand, seventy-seven".