57804051881 has 16 divisors (see below), whose sum is σ = 61905513600. Its totient is φ = 53853495168.

The previous prime is 57804051869. The next prime is 57804051889. The reversal of 57804051881 is 18815040875.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57804051881 is a prime.

It is a super-2 number, since 2×57804051881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57804051889) 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, 73586 + ... + 347883.

It is an arithmetic number, because the mean of its divisors is an integer number (3869094600).

Almost surely, 2^57804051881 is an apocalyptic number.

It is an amenable number.

57804051881 is a deficient number, since it is larger than the sum of its proper divisors (4101461719).

57804051881 is a wasteful number, since it uses less digits than its factorization.

57804051881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421648.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 57804051881 in words is "fifty-seven billion, eight hundred four million, fifty-one thousand, eight hundred eighty-one".