56132689 has 2 divisors, whose sum is σ = 56132690. Its totient is φ = 56132688.

The previous prime is 56132641. The next prime is 56132717. The reversal of 56132689 is 98623165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 22724289 = 5780^2 + 4767^2 .

It is a cyclic number.

It is not a de Polignac number, because 56132689 - 2⁷ = 56132561 is a prime.

It is not a weakly prime, because it can be changed into another prime (56132189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28066344 + 28066345.

It is an arithmetic number, because the mean of its divisors is an integer number (28066345).

Almost surely, 2^56132689 is an apocalyptic number.

It is an amenable number.

56132689 is a deficient number, since it is larger than the sum of its proper divisors (1).

56132689 is an equidigital number, since it uses as much as digits as its factorization.

56132689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 56132689 is about 7492.1751848178. The cubic root of 56132689 is about 382.8881707382. Note that the first 3 decimals are identical.

The spelling of 56132689 in words is "fifty-six million, one hundred thirty-two thousand, six hundred eighty-nine".