56057036342761 has 4 divisors (see below), whose sum is σ = 56058593043024. Its totient is φ = 56055479642500.

The previous prime is 56057036342683. The next prime is 56057036342779. The reversal of 56057036342761 is 16724363075065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56057036342761 - 2²⁹ = 56056499471849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56057036340761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778296115 + ... + 778368136.

It is an arithmetic number, because the mean of its divisors is an integer number (14014648260756).

Almost surely, 2^{56057036342761} is an apocalyptic number.

It is an amenable number.

56057036342761 is a deficient number, since it is larger than the sum of its proper divisors (1556700263).

56057036342761 is a wasteful number, since it uses less digits than its factorization.

56057036342761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556700262.

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 56057036342761 in words is "fifty-six trillion, fifty-seven billion, thirty-six million, three hundred forty-two thousand, seven hundred sixty-one".