51566696 has 16 divisors (see below), whose sum is σ = 96914400. Its totient is φ = 25722864.

The previous prime is 51566677. The next prime is 51566717. The reversal of 51566696 is 69666515.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 3830 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (6057150).

Almost surely, 2^51566696 is an apocalyptic number.

It is an amenable number.

51566696 is a deficient number, since it is larger than the sum of its proper divisors (45347704).

51566696 is a wasteful number, since it uses less digits than its factorization.

51566696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128 (or 15124 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 51566696 is about 7180.9954741665. The cubic root of 51566696 is about 372.2114841716.

The spelling of 51566696 in words is "fifty-one million, five hundred sixty-six thousand, six hundred ninety-six".