56976727 has 4 divisors (see below), whose sum is σ = 59454000. Its totient is φ = 54499456.

The previous prime is 56976701. The next prime is 56976743. The reversal of 56976727 is 72767965.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72767965 = 5 ⋅14553593.

It is a cyclic number.

It is not a de Polignac number, because 56976727 - 2¹¹ = 56974679 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 (56976767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238602 + ... + 1238647.

It is an arithmetic number, because the mean of its divisors is an integer number (14863500).

Almost surely, 2^56976727 is an apocalyptic number.

56976727 is a deficient number, since it is larger than the sum of its proper divisors (2477273).

56976727 is a wasteful number, since it uses less digits than its factorization.

56976727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477272.

The product of its digits is 1111320, while the sum is 49.

The square root of 56976727 is about 7548.2929858346. The cubic root of 56976727 is about 384.7977281221.

The spelling of 56976727 in words is "fifty-six million, nine hundred seventy-six thousand, seven hundred twenty-seven".