56693961 has 12 divisors (see below), whose sum is σ = 82068480. Its totient is φ = 37714200.

The previous prime is 56693951. The next prime is 56693969. The reversal of 56693961 is 16939665.

It is not a de Polignac number, because 56693961 - 2¹¹ = 56691913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56693969) 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 11 ways as a sum of consecutive naturals, for example, 2265 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (6839040).

Almost surely, 2^56693961 is an apocalyptic number.

It is an amenable number.

56693961 is a deficient number, since it is larger than the sum of its proper divisors (25374519).

56693961 is a wasteful number, since it uses less digits than its factorization.

56693961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636 (or 13633 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 56693961 is about 7529.5392289303. The cubic root of 56693961 is about 384.1601098276.

It can be divided in two parts, 5 and 6693961, that added together give a palindrome (6693966).

The spelling of 56693961 in words is "fifty-six million, six hundred ninety-three thousand, nine hundred sixty-one".