57350393 has 4 divisors (see below), whose sum is σ = 57667428. Its totient is φ = 57033360.

The previous prime is 57350383. The next prime is 57350411. The reversal of 57350393 is 39305375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 619369 + 56731024 = 787^2 + 7532^2 .

It is a cyclic number.

It is not a de Polignac number, because 57350393 - 2²⁴ = 40573177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57350353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158246 + ... + 158607.

It is an arithmetic number, because the mean of its divisors is an integer number (14416857).

Almost surely, 2^57350393 is an apocalyptic number.

It is an amenable number.

57350393 is a deficient number, since it is larger than the sum of its proper divisors (317035).

57350393 is a wasteful number, since it uses less digits than its factorization.

57350393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317034.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 57350393 is about 7573.0042255369. The cubic root of 57350393 is about 385.6370921294.

The spelling of 57350393 in words is "fifty-seven million, three hundred fifty thousand, three hundred ninety-three".