56442651 has 16 divisors (see below), whose sum is σ = 77103264. Its totient is φ = 36716544.

The previous prime is 56442647. The next prime is 56442653. The reversal of 56442651 is 15624465.

It is not a de Polignac number, because 56442651 - 2² = 56442647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56442653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19915 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (4818954).

Almost surely, 2^56442651 is an apocalyptic number.

56442651 is a deficient number, since it is larger than the sum of its proper divisors (20660613).

56442651 is a wasteful number, since it uses less digits than its factorization.

56442651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its digits is 28800, while the sum is 33.

The square root of 56442651 is about 7512.8324219298. The cubic root of 56442651 is about 383.5916408144.

The spelling of 56442651 in words is "fifty-six million, four hundred forty-two thousand, six hundred fifty-one".