57130078 has 16 divisors (see below), whose sum is σ = 87643296. Its totient is φ = 27919840.

The previous prime is 57130009. The next prime is 57130103. The reversal of 57130078 is 87003175.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32100 + ... + 33832.

It is an arithmetic number, because the mean of its divisors is an integer number (5477706).

Almost surely, 2^57130078 is an apocalyptic number.

57130078 is a deficient number, since it is larger than the sum of its proper divisors (30513218).

57130078 is a wasteful number, since it uses less digits than its factorization.

57130078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 57130078 is about 7558.4441520726. Note that the first 3 decimals coincide. The cubic root of 57130078 is about 385.1426423714.

The spelling of 57130078 in words is "fifty-seven million, one hundred thirty thousand, seventy-eight".