57102013243 has 4 divisors (see below), whose sum is σ = 62293105368. Its totient is φ = 51910921120.

The previous prime is 57102013193. The next prime is 57102013249. The reversal of 57102013243 is 34231020175.

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 57102013243 - 2³³ = 48512078651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57102013249) 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, 2595546046 + ... + 2595546067.

It is an arithmetic number, because the mean of its divisors is an integer number (15573276342).

Almost surely, 2^57102013243 is an apocalyptic number.

57102013243 is a deficient number, since it is larger than the sum of its proper divisors (5191092125).

57102013243 is a wasteful number, since it uses less digits than its factorization.

57102013243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191092124.

The product of its (nonzero) digits is 5040, while the sum is 28.

It can be divided in two parts, 571020132 and 43, that added together give a palindrome (571020175).

The spelling of 57102013243 in words is "fifty-seven billion, one hundred two million, thirteen thousand, two hundred forty-three".