51277168 has 20 divisors (see below), whose sum is σ = 105194160. Its totient is φ = 24130304.

The previous prime is 51277157. The next prime is 51277201. The reversal of 51277168 is 86177215.

51277168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 93988 + ... + 94531.

It is an arithmetic number, because the mean of its divisors is an integer number (5259708).

Almost surely, 2^51277168 is an apocalyptic number.

It is an amenable number.

51277168 is an abundant number, since it is smaller than the sum of its proper divisors (53916992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51277168 is a wasteful number, since it uses less digits than its factorization.

51277168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188544 (or 188538 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 51277168 is about 7160.8077756633. The cubic root of 51277168 is about 371.5135662351.

The spelling of 51277168 in words is "fifty-one million, two hundred seventy-seven thousand, one hundred sixty-eight".