56376522774 has 160 divisors (see below), whose sum is σ = 148912194816. Its totient is φ = 15716306880.

The previous prime is 56376522773. The next prime is 56376522793. The reversal of 56376522774 is 47722567365.

It is a happy number.

56376522774 is a `hidden beast` number, since 563 + 7 + 6 + 5 + 2 + 2 + 7 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56376522774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56376522773) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7107999 + ... + 7115925.

Almost surely, 2^56376522774 is an apocalyptic number.

56376522774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56376522774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74456097408).

56376522774 is an abundant number, since it is smaller than the sum of its proper divisors (92535672042).

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

56376522774 is a wasteful number, since it uses less digits than its factorization.

56376522774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8263 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 54.

The spelling of 56376522774 in words is "fifty-six billion, three hundred seventy-six million, five hundred twenty-two thousand, seven hundred seventy-four".