56322731 has 2 divisors, whose sum is σ = 56322732. Its totient is φ = 56322730.

The previous prime is 56322709. The next prime is 56322793. The reversal of 56322731 is 13722365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56322731 - 2¹⁴ = 56306347 is a prime.

It is a super-2 number, since 2×56322731² = 6344500054596722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56322694 and 56322703.

It is not a weakly prime, because it can be changed into another prime (56324731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161365 + 28161366.

It is an arithmetic number, because the mean of its divisors is an integer number (28161366).

Almost surely, 2^56322731 is an apocalyptic number.

56322731 is a deficient number, since it is larger than the sum of its proper divisors (1).

56322731 is an equidigital number, since it uses as much as digits as its factorization.

56322731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 56322731 is about 7504.8471669981. The cubic root of 56322731 is about 383.3197841882.

The spelling of 56322731 in words is "fifty-six million, three hundred twenty-two thousand, seven hundred thirty-one".