56642402 has 32 divisors (see below), whose sum is σ = 93078720. Its totient is φ = 25745920.

The previous prime is 56642393. The next prime is 56642429. The reversal of 56642402 is 20424665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249413 + ... + 249639.

It is an arithmetic number, because the mean of its divisors is an integer number (2908710).

Almost surely, 2^56642402 is an apocalyptic number.

56642402 is a deficient number, since it is larger than the sum of its proper divisors (36436318).

56642402 is a wasteful number, since it uses less digits than its factorization.

56642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 56642402 is about 7526.1146682734. The cubic root of 56642402 is about 384.0436193578.

The spelling of 56642402 in words is "fifty-six million, six hundred forty-two thousand, four hundred two".