51465375 has 160 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 22809600.

The previous prime is 51465361. The next prime is 51465383. The reversal of 51465375 is 57356415.

51465375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51465375 - 2⁶ = 51465311 is a prime.

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 159 ways as a sum of consecutive naturals, for example, 2237614 + ... + 2237636.

Almost surely, 2^51465375 is an apocalyptic number.

51465375 is an abundant number, since it is smaller than the sum of its proper divisors (62696673).

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

51465375 is a wasteful number, since it uses less digits than its factorization.

51465375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 61 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 51465375 is about 7173.9372035166. The cubic root of 51465375 is about 371.9675439946.

The spelling of 51465375 in words is "fifty-one million, four hundred sixty-five thousand, three hundred seventy-five".