56517142 has 16 divisors (see below), whose sum is σ = 93042432. Its totient is φ = 25534120.

The previous prime is 56517121. The next prime is 56517157. The reversal of 56517142 is 24171565.

56517142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (5815152).

Almost surely, 2^56517142 is an apocalyptic number.

56517142 is a deficient number, since it is larger than the sum of its proper divisors (36525290).

56517142 is a wasteful number, since it uses less digits than its factorization.

56517142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563.

The product of its digits is 8400, while the sum is 31.

The square root of 56517142 is about 7517.7883715891. The cubic root of 56517142 is about 383.7603168259.

The spelling of 56517142 in words is "fifty-six million, five hundred seventeen thousand, one hundred forty-two".