57130047 has 24 divisors (see below), whose sum is σ = 94099824. Its totient is φ = 33087744.

The previous prime is 57130009. The next prime is 57130103. The reversal of 57130047 is 74003175.

It is not a de Polignac number, because 57130047 - 2⁶ = 57129983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57130047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57130247) 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, 12373 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (3920826).

Almost surely, 2^57130047 is an apocalyptic number.

57130047 is a deficient number, since it is larger than the sum of its proper divisors (36969777).

57130047 is a wasteful number, since it uses less digits than its factorization.

57130047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28759 (or 28756 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57130047 is about 7558.4421013857. The cubic root of 57130047 is about 385.1425727092.

The spelling of 57130047 in words is "fifty-seven million, one hundred thirty thousand, forty-seven".