57969681 has 16 divisors (see below), whose sum is σ = 96365568. Its totient is φ = 30114000.

The previous prime is 57969679. The next prime is 57969707. The reversal of 57969681 is 18696975.

It is not a de Polignac number, because 57969681 - 2¹ = 57969679 is a prime.

It is a super-2 number, since 2×57969681² = 6720967830483522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57969631) 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, 125245 + ... + 125706.

It is an arithmetic number, because the mean of its divisors is an integer number (6022848).

Almost surely, 2^57969681 is an apocalyptic number.

It is an amenable number.

57969681 is a deficient number, since it is larger than the sum of its proper divisors (38395887).

57969681 is a wasteful number, since it uses less digits than its factorization.

57969681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250972.

The product of its digits is 816480, while the sum is 51.

The square root of 57969681 is about 7613.7823057926. The cubic root of 57969681 is about 387.0202033934.

The spelling of 57969681 in words is "fifty-seven million, nine hundred sixty-nine thousand, six hundred eighty-one".