51073688 has 8 divisors (see below), whose sum is σ = 95763180. Its totient is φ = 25536840.

The previous prime is 51073667. The next prime is 51073697. The reversal of 51073688 is 88637015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3192098 + ... + 3192113.

Almost surely, 2^51073688 is an apocalyptic number.

It is an amenable number.

51073688 is a deficient number, since it is larger than the sum of its proper divisors (44689492).

51073688 is a wasteful number, since it uses less digits than its factorization.

51073688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384217 (or 6384213 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 51073688 is about 7146.5857582485. The cubic root of 51073688 is about 371.0214967092.

The spelling of 51073688 in words is "fifty-one million, seventy-three thousand, six hundred eighty-eight".