56776367 has 4 divisors (see below), whose sum is σ = 56939400. Its totient is φ = 56613336.

The previous prime is 56776361. The next prime is 56776373. The reversal of 56776367 is 76367765.

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 (56776361) and next prime (56776373).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56776367 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 (56776361) 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, 80993 + ... + 81690.

It is an arithmetic number, because the mean of its divisors is an integer number (14234850).

Almost surely, 2^56776367 is an apocalyptic number.

56776367 is a deficient number, since it is larger than the sum of its proper divisors (163033).

56776367 is a wasteful number, since it uses less digits than its factorization.

56776367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163032.

The product of its digits is 1111320, while the sum is 47.

The square root of 56776367 is about 7535.0094226882. The cubic root of 56776367 is about 384.3461482916.

The spelling of 56776367 in words is "fifty-six million, seven hundred seventy-six thousand, three hundred sixty-seven".