57501893 has 2 divisors, whose sum is σ = 57501894. Its totient is φ = 57501892.

The previous prime is 57501883. The next prime is 57501947. The reversal of 57501893 is 39810575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57501889 + 4 = 7583^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 57501893 - 2²⁰ = 56453317 is a prime.

It is a Sophie Germain 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 (57501883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28750946 + 28750947.

It is an arithmetic number, because the mean of its divisors is an integer number (28750947).

Almost surely, 2^57501893 is an apocalyptic number.

It is an amenable number.

57501893 is a deficient number, since it is larger than the sum of its proper divisors (1).

57501893 is an equidigital number, since it uses as much as digits as its factorization.

57501893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 57501893 is about 7583.0002637479. Note that the first 3 decimals coincide. The cubic root of 57501893 is about 385.9763670462.

The spelling of 57501893 in words is "fifty-seven million, five hundred one thousand, eight hundred ninety-three".