56985698 has 64 divisors (see below), whose sum is σ = 111760128. Its totient is φ = 21150720.

The previous prime is 56985679. The next prime is 56985701. The reversal of 56985698 is 89658965.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 415886 + ... + 416022.

It is an arithmetic number, because the mean of its divisors is an integer number (1746252).

Almost surely, 2^56985698 is an apocalyptic number.

56985698 is a deficient number, since it is larger than the sum of its proper divisors (54774430).

56985698 is a wasteful number, since it uses less digits than its factorization.

56985698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 4665600, while the sum is 56.

The square root of 56985698 is about 7548.8872027604. The cubic root of 56985698 is about 384.8179225620.

The spelling of 56985698 in words is "fifty-six million, nine hundred eighty-five thousand, six hundred ninety-eight".