57081063 has 8 divisors (see below), whose sum is σ = 81962608. Its totient is φ = 35126784.

The previous prime is 57081049. The next prime is 57081067. The reversal of 57081063 is 36018075.

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

It is not a de Polignac number, because 57081063 - 2⁶ = 57080999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57081063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57081067) 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, 731770 + ... + 731847.

It is an arithmetic number, because the mean of its divisors is an integer number (10245326).

Almost surely, 2^57081063 is an apocalyptic number.

57081063 is a deficient number, since it is larger than the sum of its proper divisors (24881545).

57081063 is a wasteful number, since it uses less digits than its factorization.

57081063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463633.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 57081063 is about 7555.2010562261. The cubic root of 57081063 is about 385.0324659191.

The spelling of 57081063 in words is "fifty-seven million, eighty-one thousand, sixty-three".