57199543 has 4 divisors (see below), whose sum is σ = 60564240. Its totient is φ = 53834848.

The previous prime is 57199537. The next prime is 57199553. The reversal of 57199543 is 34599175.

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

It is a cyclic number.

It is not a de Polignac number, because 57199543 - 2⁵ = 57199511 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 57199543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57199523) 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, 1682323 + ... + 1682356.

It is an arithmetic number, because the mean of its divisors is an integer number (15141060).

Almost surely, 2^57199543 is an apocalyptic number.

57199543 is a deficient number, since it is larger than the sum of its proper divisors (3364697).

57199543 is a wasteful number, since it uses less digits than its factorization.

57199543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364696.

The product of its digits is 170100, while the sum is 43.

The square root of 57199543 is about 7563.0379478091. The cubic root of 57199543 is about 385.2986786687.

The spelling of 57199543 in words is "fifty-seven million, one hundred ninety-nine thousand, five hundred forty-three".