56580257 has 2 divisors, whose sum is σ = 56580258. Its totient is φ = 56580256.

The previous prime is 56580241. The next prime is 56580263. The reversal of 56580257 is 75208565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 7706176 = 6991^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 56580257 - 2⁴ = 56580241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56580257.

It is not a weakly prime, because it can be changed into another prime (56582257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28290128 + 28290129.

It is an arithmetic number, because the mean of its divisors is an integer number (28290129).

Almost surely, 2^56580257 is an apocalyptic number.

It is an amenable number.

56580257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56580257 is an equidigital number, since it uses as much as digits as its factorization.

56580257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 56580257 is about 7521.9849109128. The cubic root of 56580257 is about 383.9031172868.

The spelling of 56580257 in words is "fifty-six million, five hundred eighty thousand, two hundred fifty-seven".