57078163 has 8 divisors (see below), whose sum is σ = 61722432. Its totient is φ = 52576896.

The previous prime is 57078149. The next prime is 57078179. The reversal of 57078163 is 36187075.

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 57078163 - 2¹⁷ = 56947091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57078113) 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, 34920 + ... + 36517.

It is an arithmetic number, because the mean of its divisors is an integer number (7715304).

Almost surely, 2^57078163 is an apocalyptic number.

57078163 is a deficient number, since it is larger than the sum of its proper divisors (4644269).

57078163 is a wasteful number, since it uses less digits than its factorization.

57078163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71501.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 57078163 is about 7555.0091330190. The cubic root of 57078163 is about 385.0259452915.

The spelling of 57078163 in words is "fifty-seven million, seventy-eight thousand, one hundred sixty-three".