51276975 has 12 divisors (see below), whose sum is σ = 84778056. Its totient is φ = 27347680.

The previous prime is 51276971. The next prime is 51276977. The reversal of 51276975 is 57967215.

It is not a de Polignac number, because 51276975 - 2² = 51276971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341772 + ... + 341921.

It is an arithmetic number, because the mean of its divisors is an integer number (7064838).

Almost surely, 2^51276975 is an apocalyptic number.

51276975 is a deficient number, since it is larger than the sum of its proper divisors (33501081).

51276975 is a wasteful number, since it uses less digits than its factorization.

51276975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683706 (or 683701 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 51276975 is about 7160.7942995173. The cubic root of 51276975 is about 371.5131001263.

The spelling of 51276975 in words is "fifty-one million, two hundred seventy-six thousand, nine hundred seventy-five".