56798957 has 2 divisors, whose sum is σ = 56798958. Its totient is φ = 56798956.

The previous prime is 56798947. The next prime is 56798971. The reversal of 56798957 is 75989765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 4583881 = 7226^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 56798957 - 2⁴ = 56798941 is a prime.

It is a super-2 number, since 2×56798957² = 6452243032575698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56798927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28399478 + 28399479.

It is an arithmetic number, because the mean of its divisors is an integer number (28399479).

Almost surely, 2^56798957 is an apocalyptic number.

It is an amenable number.

56798957 is a deficient number, since it is larger than the sum of its proper divisors (1).

56798957 is an equidigital number, since it uses as much as digits as its factorization.

56798957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 56.

The square root of 56798957 is about 7536.5082763837. The cubic root of 56798957 is about 384.3971156729.

The spelling of 56798957 in words is "fifty-six million, seven hundred ninety-eight thousand, nine hundred fifty-seven".