56433648731 has 2 divisors, whose sum is σ = 56433648732. Its totient is φ = 56433648730.

The previous prime is 56433648709. The next prime is 56433648751. The reversal of 56433648731 is 13784633465.

56433648731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56433648731 - 2¹⁰ = 56433647707 is a prime.

It is a super-2 number, since 2×56433648731² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56433648731.

It is not a weakly prime, because it can be changed into another prime (56433648751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28216824365 + 28216824366.

It is an arithmetic number, because the mean of its divisors is an integer number (28216824366).

Almost surely, 2^56433648731 is an apocalyptic number.

56433648731 is a deficient number, since it is larger than the sum of its proper divisors (1).

56433648731 is an equidigital number, since it uses as much as digits as its factorization.

56433648731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 50.

The spelling of 56433648731 in words is "fifty-six billion, four hundred thirty-three million, six hundred forty-eight thousand, seven hundred thirty-one".