57196881 has 16 divisors (see below), whose sum is σ = 96841600. Its totient is φ = 32683824.

The previous prime is 57196879. The next prime is 57196889. The reversal of 57196881 is 18869175.

It is not a de Polignac number, because 57196881 - 2¹ = 57196879 is a prime.

It is a super-2 number, since 2×57196881² = 6542966392256322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57196889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151126 + ... + 151503.

It is an arithmetic number, because the mean of its divisors is an integer number (6052600).

Almost surely, 2^57196881 is an apocalyptic number.

It is an amenable number.

57196881 is a deficient number, since it is larger than the sum of its proper divisors (39644719).

57196881 is a wasteful number, since it uses less digits than its factorization.

57196881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302645 (or 302639 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 57196881 is about 7562.8619582801. The cubic root of 57196881 is about 385.2927014590.

The spelling of 57196881 in words is "fifty-seven million, one hundred ninety-six thousand, eight hundred eighty-one".