56561748142 has 8 divisors (see below), whose sum is σ = 84843876600. Its totient is φ = 28280455944.

The previous prime is 56561748121. The next prime is 56561748167. The reversal of 56561748142 is 24184716565.

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, 3084 + ... + 336352.

It is an arithmetic number, because the mean of its divisors is an integer number (10605484575).

Almost surely, 2^56561748142 is an apocalyptic number.

56561748142 is a deficient number, since it is larger than the sum of its proper divisors (28282128458).

56561748142 is a wasteful number, since it uses less digits than its factorization.

56561748142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418130.

The product of its digits is 1612800, while the sum is 49.

The spelling of 56561748142 in words is "fifty-six billion, five hundred sixty-one million, seven hundred forty-eight thousand, one hundred forty-two".