57355733 has 2 divisors, whose sum is σ = 57355734. Its totient is φ = 57355732.

The previous prime is 57355723. The next prime is 57355741. The reversal of 57355733 is 33755375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 18130564 = 6263^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 57355733 - 2⁸ = 57355477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57355723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677866 + 28677867.

It is an arithmetic number, because the mean of its divisors is an integer number (28677867).

Almost surely, 2^57355733 is an apocalyptic number.

It is an amenable number.

57355733 is a deficient number, since it is larger than the sum of its proper divisors (1).

57355733 is an equidigital number, since it uses as much as digits as its factorization.

57355733 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 57355733 is about 7573.3567854684. The cubic root of 57355733 is about 385.6490608830.

The spelling of 57355733 in words is "fifty-seven million, three hundred fifty-five thousand, seven hundred thirty-three".