57390571 has 8 divisors (see below), whose sum is σ = 66191840. Its totient is φ = 48739968.

The previous prime is 57390559. The next prime is 57390587. The reversal of 57390571 is 17509375.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57390571 - 2⁹ = 57390059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57390571.

It is not an unprimeable number, because it can be changed into a prime (57390511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36846 + ... + 38371.

It is an arithmetic number, because the mean of its divisors is an integer number (8273980).

Almost surely, 2^57390571 is an apocalyptic number.

57390571 is a deficient number, since it is larger than the sum of its proper divisors (8801269).

57390571 is a wasteful number, since it uses less digits than its factorization.

57390571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75333.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 57390571 is about 7575.6564732042. The cubic root of 57390571 is about 385.7271264456.

The spelling of 57390571 in words is "fifty-seven million, three hundred ninety thousand, five hundred seventy-one".