57533573 has 2 divisors, whose sum is σ = 57533574. Its totient is φ = 57533572.

The previous prime is 57533549. The next prime is 57533587. The reversal of 57533573 is 37533575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57501889 + 31684 = 7583^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 57533573 - 2⁸ = 57533317 is a prime.

It is a super-2 number, since 2×57533573² = 6620224044292658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57533543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28766786 + 28766787.

It is an arithmetic number, because the mean of its divisors is an integer number (28766787).

Almost surely, 2^57533573 is an apocalyptic number.

It is an amenable number.

57533573 is a deficient number, since it is larger than the sum of its proper divisors (1).

57533573 is an equidigital number, since it uses as much as digits as its factorization.

57533573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165375, while the sum is 38.

The square root of 57533573 is about 7585.0888590708. The cubic root of 57533573 is about 386.0472370981.

The spelling of 57533573 in words is "fifty-seven million, five hundred thirty-three thousand, five hundred seventy-three".