57269533 has 2 divisors, whose sum is σ = 57269534. Its totient is φ = 57269532.

The previous prime is 57269489. The next prime is 57269539. The reversal of 57269533 is 33596275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 9078169 = 6942^2 + 3013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57269533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57269539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28634766 + 28634767.

It is an arithmetic number, because the mean of its divisors is an integer number (28634767).

Almost surely, 2^57269533 is an apocalyptic number.

It is an amenable number.

57269533 is a deficient number, since it is larger than the sum of its proper divisors (1).

57269533 is an equidigital number, since it uses as much as digits as its factorization.

57269533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 40.

The square root of 57269533 is about 7567.6636421025. The cubic root of 57269533 is about 385.4557665376.

The spelling of 57269533 in words is "fifty-seven million, two hundred sixty-nine thousand, five hundred thirty-three".