57413891 has 8 divisors (see below), whose sum is σ = 59403264. Its totient is φ = 55433160.

The previous prime is 57413887. The next prime is 57413933. The reversal of 57413891 is 19831475.

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 57413891 - 2² = 57413887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57413861) 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, 13196 + ... + 16998.

It is an arithmetic number, because the mean of its divisors is an integer number (7425408).

Almost surely, 2^57413891 is an apocalyptic number.

57413891 is a deficient number, since it is larger than the sum of its proper divisors (1989373).

57413891 is a wasteful number, since it uses less digits than its factorization.

57413891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321.

The product of its digits is 30240, while the sum is 38.

The square root of 57413891 is about 7577.1954574235. The cubic root of 57413891 is about 385.7793646347.

The spelling of 57413891 in words is "fifty-seven million, four hundred thirteen thousand, eight hundred ninety-one".