51426975 has 24 divisors (see below), whose sum is σ = 85914640. Its totient is φ = 27141120.

The previous prime is 51426953. The next prime is 51426979. The reversal of 51426975 is 57962415.

It is not a de Polignac number, because 51426975 - 2⁵ = 51426943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3741 + ... + 10809.

Almost surely, 2^51426975 is an apocalyptic number.

51426975 is a deficient number, since it is larger than the sum of its proper divisors (34487665).

51426975 is a wasteful number, since it uses less digits than its factorization.

51426975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7174 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 51426975 is about 7171.2603494783. The cubic root of 51426975 is about 371.8750085917.

The spelling of 51426975 in words is "fifty-one million, four hundred twenty-six thousand, nine hundred seventy-five".