56501113 has 2 divisors, whose sum is σ = 56501114. Its totient is φ = 56501112.

The previous prime is 56501101. The next prime is 56501143. The reversal of 56501113 is 31110565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 8573184 = 6923^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 56501113 - 2²⁵ = 22946681 is a prime.

It is not a weakly prime, because it can be changed into another prime (56501143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250556 + 28250557.

It is an arithmetic number, because the mean of its divisors is an integer number (28250557).

Almost surely, 2^56501113 is an apocalyptic number.

It is an amenable number.

56501113 is a deficient number, since it is larger than the sum of its proper divisors (1).

56501113 is an equidigital number, since it uses as much as digits as its factorization.

56501113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 56501113 is about 7516.7222244806. The cubic root of 56501113 is about 383.7240335820.

Adding to 56501113 its reverse (31110565), we get a palindrome (87611678).

The spelling of 56501113 in words is "fifty-six million, five hundred one thousand, one hundred thirteen".