56515142 has 16 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 27038592.

The previous prime is 56515141. The next prime is 56515159. The reversal of 56515142 is 24151565.

It is a happy number.

It is a super-2 number, since 2×56515142² = 6387922550560328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2^56515142 is an apocalyptic number.

56515142 is a deficient number, since it is larger than the sum of its proper divisors (31967098).

56515142 is a wasteful number, since it uses less digits than its factorization.

56515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767.

The product of its digits is 6000, while the sum is 29.

The square root of 56515142 is about 7517.6553525684. The cubic root of 56515142 is about 383.7557900006.

The spelling of 56515142 in words is "fifty-six million, five hundred fifteen thousand, one hundred forty-two".