57130847 has 4 divisors (see below), whose sum is σ = 57167880. Its totient is φ = 57093816.

The previous prime is 57130837. The next prime is 57130859. The reversal of 57130847 is 74803175.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57130847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57130817) 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, 16097 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (14291970).

Almost surely, 2^57130847 is an apocalyptic number.

57130847 is a deficient number, since it is larger than the sum of its proper divisors (37033).

57130847 is a wasteful number, since it uses less digits than its factorization.

57130847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37032.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 57130847 is about 7558.4950221588. The cubic root of 57130847 is about 385.1443704358.

The spelling of 57130847 in words is "fifty-seven million, one hundred thirty thousand, eight hundred forty-seven".