56142742 has 8 divisors (see below), whose sum is σ = 84731256. Its totient is φ = 27898992.

The previous prime is 56142733. The next prime is 56142781. The reversal of 56142742 is 24724165.

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, 85783 + ... + 86434.

It is an arithmetic number, because the mean of its divisors is an integer number (10591407).

Almost surely, 2^56142742 is an apocalyptic number.

56142742 is a deficient number, since it is larger than the sum of its proper divisors (28588514).

56142742 is a wasteful number, since it uses less digits than its factorization.

56142742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172382.

The product of its digits is 13440, while the sum is 31.

The square root of 56142742 is about 7492.8460547378. The cubic root of 56142742 is about 382.9110269686.

The spelling of 56142742 in words is "fifty-six million, one hundred forty-two thousand, seven hundred forty-two".