57541309 has 8 divisors (see below), whose sum is σ = 66594560. Its totient is φ = 48696336.

The previous prime is 57541303. The next prime is 57541321. The reversal of 57541309 is 90314575.

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 57541309 - 2¹⁹ = 57017021 is a prime.

It is a super-2 number, since 2×57541309² = 6622004482866962, 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 (57541303) 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, 51474 + ... + 52579.

It is an arithmetic number, because the mean of its divisors is an integer number (8324320).

Almost surely, 2^57541309 is an apocalyptic number.

It is an amenable number.

57541309 is a deficient number, since it is larger than the sum of its proper divisors (9053251).

57541309 is a wasteful number, since it uses less digits than its factorization.

57541309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104139.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 57541309 is about 7585.5987898122. The cubic root of 57541309 is about 386.0645390398.

The spelling of 57541309 in words is "fifty-seven million, five hundred forty-one thousand, three hundred nine".