56356243790 has 32 divisors (see below), whose sum is σ = 126472195584. Its totient is φ = 17565582240.

The previous prime is 56356243781. The next prime is 56356243813. The reversal of 56356243790 is 9734265365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36594194 + ... + 36595733.

It is an arithmetic number, because the mean of its divisors is an integer number (3952256112).

Almost surely, 2^56356243790 is an apocalyptic number.

56356243790 is an abundant number, since it is smaller than the sum of its proper divisors (70115951794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56356243790 is a wasteful number, since it uses less digits than its factorization.

56356243790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73189952.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 56356243790 in words is "fifty-six billion, three hundred fifty-six million, two hundred forty-three thousand, seven hundred ninety".