57130555 has 8 divisors (see below), whose sum is σ = 69850512. Its totient is φ = 44841888.

The previous prime is 57130547. The next prime is 57130559. The reversal of 57130555 is 55503175.

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 57130555 - 2³ = 57130547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57130559) 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, 107529 + ... + 108058.

It is an arithmetic number, because the mean of its divisors is an integer number (8731314).

Almost surely, 2^57130555 is an apocalyptic number.

57130555 is a deficient number, since it is larger than the sum of its proper divisors (12719957).

57130555 is a wasteful number, since it uses less digits than its factorization.

57130555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215645.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 57130555 is about 7558.4757061196. The cubic root of 57130555 is about 385.1437142675.

The spelling of 57130555 in words is "fifty-seven million, one hundred thirty thousand, five hundred fifty-five".