57130794 has 48 divisors (see below), whose sum is σ = 144930240. Its totient is φ = 15923520.

The previous prime is 57130793. The next prime is 57130811. The reversal of 57130794 is 49703175.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57130793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (3019380).

Almost surely, 2^57130794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57130794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72465120).

57130794 is an abundant number, since it is smaller than the sum of its proper divisors (87799446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57130794 is a wasteful number, since it uses less digits than its factorization.

57130794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115 (or 11112 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 57130794 is about 7558.4915161691. The cubic root of 57130794 is about 385.1442513369.

The spelling of 57130794 in words is "fifty-seven million, one hundred thirty thousand, seven hundred ninety-four".