56776368 has 80 divisors (see below), whose sum is σ = 160989696. Its totient is φ = 17099520.

The previous prime is 56776361. The next prime is 56776373. The reversal of 56776368 is 86367765.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 154521 + ... + 154887.

Almost surely, 2^56776368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56776368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80494848).

56776368 is an abundant number, since it is smaller than the sum of its proper divisors (104213328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56776368 is a wasteful number, since it uses less digits than its factorization.

56776368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 56776368 is about 7535.0094890451. The cubic root of 56776368 is about 384.3461505481.

The spelling of 56776368 in words is "fifty-six million, seven hundred seventy-six thousand, three hundred sixty-eight".