56767385 has 4 divisors (see below), whose sum is σ = 68120868. Its totient is φ = 45413904.

The previous prime is 56767379. The next prime is 56767391. The reversal of 56767385 is 58376765.

It is a happy number.

56767385 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 is an interprime number because it is at equal distance from previous prime (56767379) and next prime (56767391).

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 20539024 = 6019^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 56767385 - 2¹⁶ = 56701849 is a prime.

It is a Duffinian number.

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, 5676734 + ... + 5676743.

It is an arithmetic number, because the mean of its divisors is an integer number (17030217).

Almost surely, 2^56767385 is an apocalyptic number.

It is an amenable number.

56767385 is a deficient number, since it is larger than the sum of its proper divisors (11353483).

56767385 is a wasteful number, since it uses less digits than its factorization.

56767385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353482.

The product of its digits is 1058400, while the sum is 47.

The square root of 56767385 is about 7534.4133812793. The cubic root of 56767385 is about 384.3258794171.

The spelling of 56767385 in words is "fifty-six million, seven hundred sixty-seven thousand, three hundred eighty-five".