56977383 has 4 divisors (see below), whose sum is σ = 75969848. Its totient is φ = 37984920.

The previous prime is 56977369. The next prime is 56977397. The reversal of 56977383 is 38377965.

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 (56977369) and next prime (56977397).

It is not a de Polignac number, because 56977383 - 2⁸ = 56977127 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 (56977313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9496228 + ... + 9496233.

It is an arithmetic number, because the mean of its divisors is an integer number (18992462).

Almost surely, 2^56977383 is an apocalyptic number.

56977383 is a deficient number, since it is larger than the sum of its proper divisors (18992465).

56977383 is a wasteful number, since it uses less digits than its factorization.

56977383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18992464.

The product of its digits is 952560, while the sum is 48.

The square root of 56977383 is about 7548.3364392428. The cubic root of 56977383 is about 384.7992049025.

The spelling of 56977383 in words is "fifty-six million, nine hundred seventy-seven thousand, three hundred eighty-three".