57575381 has 4 divisors (see below), whose sum is σ = 57705792. Its totient is φ = 57444972.

The previous prime is 57575369. The next prime is 57575383. The reversal of 57575381 is 18357575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57575381 - 2⁶ = 57575317 is a prime.

It is a super-2 number, since 2×57575381² = 6629848994590322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57575383) 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, 64541 + ... + 65426.

It is an arithmetic number, because the mean of its divisors is an integer number (14426448).

Almost surely, 2^57575381 is an apocalyptic number.

It is an amenable number.

57575381 is a deficient number, since it is larger than the sum of its proper divisors (130411).

57575381 is a wasteful number, since it uses less digits than its factorization.

57575381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130410.

The product of its digits is 147000, while the sum is 41.

The square root of 57575381 is about 7587.8442920239. The cubic root of 57575381 is about 386.1407242811.

The spelling of 57575381 in words is "fifty-seven million, five hundred seventy-five thousand, three hundred eighty-one".