57130761 has 8 divisors (see below), whose sum is σ = 80655264. Its totient is φ = 35846720.

The previous prime is 57130757. The next prime is 57130793. The reversal of 57130761 is 16703175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57130761 - 2² = 57130757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57130721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560055 + ... + 560156.

It is an arithmetic number, because the mean of its divisors is an integer number (10081908).

Almost surely, 2^57130761 is an apocalyptic number.

57130761 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57130761 is a deficient number, since it is larger than the sum of its proper divisors (23524503).

57130761 is a wasteful number, since it uses less digits than its factorization.

57130761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120231.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 57130761 is about 7558.4893331935. The cubic root of 57130761 is about 385.1441771810.

The spelling of 57130761 in words is "fifty-seven million, one hundred thirty thousand, seven hundred sixty-one".