57566741 has 2 divisors, whose sum is σ = 57566742. Its totient is φ = 57566740.

The previous prime is 57566731. The next prime is 57566759. The reversal of 57566741 is 14766575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 19989841 = 6130^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 57566741 - 2¹⁴ = 57550357 is a prime.

It is a super-2 number, since 2×57566741² = 6627859338722162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57566731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28783370 + 28783371.

It is an arithmetic number, because the mean of its divisors is an integer number (28783371).

Almost surely, 2^57566741 is an apocalyptic number.

It is an amenable number.

57566741 is a deficient number, since it is larger than the sum of its proper divisors (1).

57566741 is an equidigital number, since it uses as much as digits as its factorization.

57566741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 57566741 is about 7587.2749390015. The cubic root of 57566741 is about 386.1214080230.

The spelling of 57566741 in words is "fifty-seven million, five hundred sixty-six thousand, seven hundred forty-one".