51192808 has 16 divisors (see below), whose sum is σ = 96108480. Its totient is φ = 25563888.

The previous prime is 51192803. The next prime is 51192829. The reversal of 51192808 is 80829115.

It is not an unprimeable number, because it can be changed into a prime (51192803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (6006780).

Almost surely, 2^51192808 is an apocalyptic number.

It is an amenable number.

51192808 is a deficient number, since it is larger than the sum of its proper divisors (44915672).

51192808 is a wasteful number, since it uses less digits than its factorization.

51192808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 51192808 is about 7154.9149540718. The cubic root of 51192808 is about 371.3097192567.

The spelling of 51192808 in words is "fifty-one million, one hundred ninety-two thousand, eight hundred eight".