56519668 has 12 divisors (see below), whose sum is σ = 99074052. Its totient is φ = 28212800.

The previous prime is 56519663. The next prime is 56519711. The reversal of 56519668 is 86691565.

It can be written as a sum of positive squares in 2 ways, for example, as 29354724 + 27164944 = 5418^2 + 5212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56519663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8983 + ... + 13918.

It is an arithmetic number, because the mean of its divisors is an integer number (8256171).

Almost surely, 2^56519668 is an apocalyptic number.

It is an amenable number.

56519668 is a deficient number, since it is larger than the sum of its proper divisors (42554384).

56519668 is a wasteful number, since it uses less digits than its factorization.

56519668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522 (or 23520 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 56519668 is about 7517.9563712488. The cubic root of 56519668 is about 383.7660340537.

The spelling of 56519668 in words is "fifty-six million, five hundred nineteen thousand, six hundred sixty-eight".