56776402 has 4 divisors (see below), whose sum is σ = 85164606. Its totient is φ = 28388200.

The previous prime is 56776373. The next prime is 56776411. The reversal of 56776402 is 20467765.

56776402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35533521 + 21242881 = 5961^2 + 4609^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14194099 + ... + 14194102.

Almost surely, 2^56776402 is an apocalyptic number.

56776402 is a deficient number, since it is larger than the sum of its proper divisors (28388204).

56776402 is a wasteful number, since it uses less digits than its factorization.

56776402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388203.

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

The square root of 56776402 is about 7535.0117451800. The cubic root of 56776402 is about 384.3462272688.

The spelling of 56776402 in words is "fifty-six million, seven hundred seventy-six thousand, four hundred two".