56461265943 has 4 divisors (see below), whose sum is σ = 75281687928. Its totient is φ = 37640843960.

The previous prime is 56461265923. The next prime is 56461265947. The reversal of 56461265943 is 34956216465.

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

It is a cyclic number.

It is not a de Polignac number, because 56461265943 - 2⁵ = 56461265911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56461265947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410210988 + ... + 9410210993.

It is an arithmetic number, because the mean of its divisors is an integer number (18820421982).

Almost surely, 2^56461265943 is an apocalyptic number.

56461265943 is a deficient number, since it is larger than the sum of its proper divisors (18820421985).

56461265943 is a wasteful number, since it uses less digits than its factorization.

56461265943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820421984.

The product of its digits is 4665600, while the sum is 51.

The spelling of 56461265943 in words is "fifty-six billion, four hundred sixty-one million, two hundred sixty-five thousand, nine hundred forty-three".