51918675 has 12 divisors (see below), whose sum is σ = 85839000. Its totient is φ = 27689920.

The previous prime is 51918667. The next prime is 51918677. The reversal of 51918675 is 57681915.

51918675 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 51918675 - 2³ = 51918667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51918677) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 346050 + ... + 346199.

It is an arithmetic number, because the mean of its divisors is an integer number (7153250).

Almost surely, 2^51918675 is an apocalyptic number.

51918675 is a deficient number, since it is larger than the sum of its proper divisors (33920325).

51918675 is a wasteful number, since it uses less digits than its factorization.

51918675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692262 (or 692257 counting only the distinct ones).

The product of its digits is 75600, while the sum is 42.

The square root of 51918675 is about 7205.4614703015. The cubic root of 51918675 is about 373.0564330852.

The spelling of 51918675 in words is "fifty-one million, nine hundred eighteen thousand, six hundred seventy-five".