57100243 has 4 divisors (see below), whose sum is σ = 57121848. Its totient is φ = 57078640.

The previous prime is 57100223. The next prime is 57100247. The reversal of 57100243 is 34200175.

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 57100243 - 2¹³ = 57092051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57100247) 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, 6178 + ... + 12343.

It is an arithmetic number, because the mean of its divisors is an integer number (14280462).

Almost surely, 2^57100243 is an apocalyptic number.

57100243 is a deficient number, since it is larger than the sum of its proper divisors (21605).

57100243 is a wasteful number, since it uses less digits than its factorization.

57100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57100243 is about 7556.4702738779. The cubic root of 57100243 is about 385.0755864411.

The spelling of 57100243 in words is "fifty-seven million, one hundred thousand, two hundred forty-three".