57355541 has 2 divisors, whose sum is σ = 57355542. Its totient is φ = 57355540.

The previous prime is 57355517. The next prime is 57355567. The reversal of 57355541 is 14555375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 8145316 = 7015^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 57355541 - 2⁶ = 57355477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57355511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677770 + 28677771.

It is an arithmetic number, because the mean of its divisors is an integer number (28677771).

Almost surely, 2^57355541 is an apocalyptic number.

It is an amenable number.

57355541 is a deficient number, since it is larger than the sum of its proper divisors (1).

57355541 is an equidigital number, since it uses as much as digits as its factorization.

57355541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52500, while the sum is 35.

The square root of 57355541 is about 7573.3441094407. The cubic root of 57355541 is about 385.6486305586.

The spelling of 57355541 in words is "fifty-seven million, three hundred fifty-five thousand, five hundred forty-one".