56524739 has 2 divisors, whose sum is σ = 56524740. Its totient is φ = 56524738.

The previous prime is 56524709. The next prime is 56524759. The reversal of 56524739 is 93742565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56524739 is a prime.

It is a super-2 number, since 2×56524739² = 6390092238036242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56524696 and 56524705.

It is not a weakly prime, because it can be changed into another prime (56524709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28262369 + 28262370.

It is an arithmetic number, because the mean of its divisors is an integer number (28262370).

Almost surely, 2^56524739 is an apocalyptic number.

56524739 is a deficient number, since it is larger than the sum of its proper divisors (1).

56524739 is an equidigital number, since it uses as much as digits as its factorization.

56524739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 56524739 is about 7518.2936228908. The cubic root of 56524739 is about 383.7775109987. Note that the first 3 decimals are identical.

The spelling of 56524739 in words is "fifty-six million, five hundred twenty-four thousand, seven hundred thirty-nine".