56776042 has 16 divisors (see below), whose sum is σ = 86753160. Its totient is φ = 27862272.

The previous prime is 56775989. The next prime is 56776043. The reversal of 56776042 is 24067765.

56776042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 43678881 + 13097161 = 6609^2 + 3619^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56775992 and 56776010.

It is not an unprimeable number, because it can be changed into a prime (56776043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33184 + ... + 34852.

Almost surely, 2^56776042 is an apocalyptic number.

56776042 is a deficient number, since it is larger than the sum of its proper divisors (29977118).

56776042 is a wasteful number, since it uses less digits than its factorization.

56776042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56776042 is about 7534.9878566591. The cubic root of 56776042 is about 384.3454149305.

The spelling of 56776042 in words is "fifty-six million, seven hundred seventy-six thousand, forty-two".