56404732753 has 4 divisors (see below), whose sum is σ = 57716470768. Its totient is φ = 55092994740.

The previous prime is 56404732739. The next prime is 56404732789. The reversal of 56404732753 is 35723740465.

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 56404732753 - 2¹⁷ = 56404601681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56404733753) 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, 655868943 + ... + 655869028.

It is an arithmetic number, because the mean of its divisors is an integer number (14429117692).

Almost surely, 2^56404732753 is an apocalyptic number.

It is an amenable number.

56404732753 is a deficient number, since it is larger than the sum of its proper divisors (1311738015).

56404732753 is a wasteful number, since it uses less digits than its factorization.

56404732753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311738014.

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 56404732753 in words is "fifty-six billion, four hundred four million, seven hundred thirty-two thousand, seven hundred fifty-three".