57202052013 has 24 divisors (see below), whose sum is σ = 90725701248. Its totient is φ = 35891481024.

The previous prime is 57202052009. The next prime is 57202052029. The reversal of 57202052013 is 31025020275.

It is not a de Polignac number, because 57202052013 - 2² = 57202052009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57202052003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6919381 + ... + 6927642.

It is an arithmetic number, because the mean of its divisors is an integer number (3780237552).

Almost surely, 2^57202052013 is an apocalyptic number.

It is an amenable number.

57202052013 is a deficient number, since it is larger than the sum of its proper divisors (33523649235).

57202052013 is a wasteful number, since it uses less digits than its factorization.

57202052013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13847055 (or 13847043 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 57202052013 its reverse (31025020275), we get a palindrome (88227072288).

The spelling of 57202052013 in words is "fifty-seven billion, two hundred two million, fifty-two thousand, thirteen".