57081039 has 16 divisors (see below), whose sum is σ = 77156352. Its totient is φ = 37533888.

The previous prime is 57081029. The next prime is 57081041. The reversal of 57081039 is 93018075.

It is not a de Polignac number, because 57081039 - 2¹⁶ = 57015503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57081029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88452 + ... + 89094.

It is an arithmetic number, because the mean of its divisors is an integer number (4822272).

Almost surely, 2^57081039 is an apocalyptic number.

57081039 is a deficient number, since it is larger than the sum of its proper divisors (20075313).

57081039 is a wasteful number, since it uses less digits than its factorization.

57081039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 57081039 is about 7555.1994679161. The cubic root of 57081039 is about 385.0324119561.

The spelling of 57081039 in words is "fifty-seven million, eighty-one thousand, thirty-nine".