56531850943 has 2 divisors, whose sum is σ = 56531850944. Its totient is φ = 56531850942.

The previous prime is 56531850917. The next prime is 56531850961. The reversal of 56531850943 is 34905813565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56531850943 - 2⁵ = 56531850911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56531850743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28265925471 + 28265925472.

It is an arithmetic number, because the mean of its divisors is an integer number (28265925472).

Almost surely, 2^56531850943 is an apocalyptic number.

56531850943 is a deficient number, since it is larger than the sum of its proper divisors (1).

56531850943 is an equidigital number, since it uses as much as digits as its factorization.

56531850943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 56531850943 in words is "fifty-six billion, five hundred thirty-one million, eight hundred fifty thousand, nine hundred forty-three".