56693889 has 12 divisors (see below), whose sum is σ = 93590016. Its totient is φ = 32396472.

The previous prime is 56693851. The next prime is 56693893. The reversal of 56693889 is 98839665.

It is not a de Polignac number, because 56693889 - 2¹¹ = 56691841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56693839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449889 + ... + 450014.

It is an arithmetic number, because the mean of its divisors is an integer number (7799168).

Almost surely, 2^56693889 is an apocalyptic number.

It is an amenable number.

56693889 is a deficient number, since it is larger than the sum of its proper divisors (36896127).

56693889 is a wasteful number, since it uses less digits than its factorization.

56693889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899916 (or 899913 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 56693889 is about 7529.5344477597. The cubic root of 56693889 is about 384.1599472027.

The spelling of 56693889 in words is "fifty-six million, six hundred ninety-three thousand, eight hundred eighty-nine".