56842348531 has 2 divisors, whose sum is σ = 56842348532. Its totient is φ = 56842348530.

The previous prime is 56842348513. The next prime is 56842348543. The reversal of 56842348531 is 13584324865.

Together with previous prime (56842348513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56842348531 - 2⁷ = 56842348403 is a prime.

It is a super-2 number, since 2×56842348531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56842348331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28421174265 + 28421174266.

It is an arithmetic number, because the mean of its divisors is an integer number (28421174266).

Almost surely, 2^56842348531 is an apocalyptic number.

56842348531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56842348531 is an equidigital number, since it uses as much as digits as its factorization.

56842348531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 49.

The spelling of 56842348531 in words is "fifty-six billion, eight hundred forty-two million, three hundred forty-eight thousand, five hundred thirty-one".