51300688 has 20 divisors (see below), whose sum is σ = 101511360. Its totient is φ = 25104224.

The previous prime is 51300673. The next prime is 51300701. The reversal of 51300688 is 88600315.

It is a super-3 number, since 3×51300688³ (a number of 24 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 33358 + ... + 34861.

It is an arithmetic number, because the mean of its divisors is an integer number (5075568).

Almost surely, 2^51300688 is an apocalyptic number.

It is an amenable number.

51300688 is a deficient number, since it is larger than the sum of its proper divisors (50210672).

51300688 is a wasteful number, since it uses less digits than its factorization.

51300688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68274 (or 68268 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51300688 is about 7162.4498602084. The cubic root of 51300688 is about 371.5703599555.

The spelling of 51300688 in words is "fifty-one million, three hundred thousand, six hundred eighty-eight".