56982901 has 2 divisors, whose sum is σ = 56982902. Its totient is φ = 56982900.

The previous prime is 56982859. The next prime is 56982931. The reversal of 56982901 is 10928965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56640676 + 342225 = 7526^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 56982901 - 2⁹ = 56982389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56982931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28491450 + 28491451.

It is an arithmetic number, because the mean of its divisors is an integer number (28491451).

Almost surely, 2^56982901 is an apocalyptic number.

It is an amenable number.

56982901 is a deficient number, since it is larger than the sum of its proper divisors (1).

56982901 is an equidigital number, since it uses as much as digits as its factorization.

56982901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 56982901 is about 7548.7019413936. The cubic root of 56982901 is about 384.8116265183.

The spelling of 56982901 in words is "fifty-six million, nine hundred eighty-two thousand, nine hundred one".