56699965 has 16 divisors (see below), whose sum is σ = 78024960. Its totient is φ = 38747520.

The previous prime is 56699957. The next prime is 56699987. The reversal of 56699965 is 56999665.

56699965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56699965 - 2³ = 56699957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8281 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (4876560).

Almost surely, 2^56699965 is an apocalyptic number.

It is an amenable number.

56699965 is a deficient number, since it is larger than the sum of its proper divisors (21324995).

56699965 is a wasteful number, since it uses less digits than its factorization.

56699965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532.

The product of its digits is 3936600, while the sum is 55.

The square root of 56699965 is about 7529.9379147507. The cubic root of 56699965 is about 384.1736704481.

The spelling of 56699965 in words is "fifty-six million, six hundred ninety-nine thousand, nine hundred sixty-five".