56401462765747 has 4 divisors (see below), whose sum is σ = 61528868471736. Its totient is φ = 51274057059760.

The previous prime is 56401462765741. The next prime is 56401462765783. The reversal of 56401462765747 is 74756726410465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56401462765747 is a prime.

It is a super-2 number, since 2×56401462765747² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56401462765741) 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, 2563702852978 + ... + 2563702852999.

It is an arithmetic number, because the mean of its divisors is an integer number (15382217117934).

Almost surely, 2^{56401462765747} is an apocalyptic number.

56401462765747 is a deficient number, since it is larger than the sum of its proper divisors (5127405705989).

56401462765747 is a wasteful number, since it uses less digits than its factorization.

56401462765747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127405705988.

The product of its (nonzero) digits is 237081600, while the sum is 64.

The spelling of 56401462765747 in words is "fifty-six trillion, four hundred one billion, four hundred sixty-two million, seven hundred sixty-five thousand, seven hundred forty-seven".