56511142 has 8 divisors (see below), whose sum is σ = 85257216. Its totient is φ = 28092072.

The previous prime is 56511139. The next prime is 56511151. The reversal of 56511142 is 24111565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81318 + ... + 82009.

It is an arithmetic number, because the mean of its divisors is an integer number (10657152).

Almost surely, 2^56511142 is an apocalyptic number.

56511142 is a deficient number, since it is larger than the sum of its proper divisors (28746074).

56511142 is a wasteful number, since it uses less digits than its factorization.

56511142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163502.

The product of its digits is 1200, while the sum is 25.

The square root of 56511142 is about 7517.3893074657. The cubic root of 56511142 is about 383.7467360296.

The spelling of 56511142 in words is "fifty-six million, five hundred eleven thousand, one hundred forty-two".