57947269 has 2 divisors, whose sum is σ = 57947270. Its totient is φ = 57947268.

The previous prime is 57947257. The next prime is 57947303. The reversal of 57947269 is 96274975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 11189025 = 6838^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 57947269 - 2¹¹ = 57945221 is a prime.

It is a super-2 number, since 2×57947269² = 6715771969116722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57947209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28973634 + 28973635.

It is an arithmetic number, because the mean of its divisors is an integer number (28973635).

Almost surely, 2^57947269 is an apocalyptic number.

It is an amenable number.

57947269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57947269 is an equidigital number, since it uses as much as digits as its factorization.

57947269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 57947269 is about 7612.3103588858. The cubic root of 57947269 is about 386.9703209106.

The spelling of 57947269 in words is "fifty-seven million, nine hundred forty-seven thousand, two hundred sixty-nine".