51336975 has 12 divisors (see below), whose sum is σ = 84877256. Its totient is φ = 27379680.

The previous prime is 51336973. The next prime is 51336983. The reversal of 51336975 is 57963315.

It is not a de Polignac number, because 51336975 - 2¹ = 51336973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336973) 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, 342172 + ... + 342321.

Almost surely, 2^51336975 is an apocalyptic number.

51336975 is a deficient number, since it is larger than the sum of its proper divisors (33540281).

51336975 is a wasteful number, since it uses less digits than its factorization.

51336975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684506 (or 684501 counting only the distinct ones).

The product of its digits is 85050, while the sum is 39.

The square root of 51336975 is about 7164.9825540611. The cubic root of 51336975 is about 371.6579480975.

The spelling of 51336975 in words is "fifty-one million, three hundred thirty-six thousand, nine hundred seventy-five".