51975936 has 108 divisors (see below), whose sum is σ = 158794272. Its totient is φ = 16293888.

The previous prime is 51975907. The next prime is 51975967. The reversal of 51975936 is 63957915.

51975936 is a `hidden beast` number, since 51 + 9 + 7 + 593 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51975891 and 51975900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38505 + ... + 39831.

Almost surely, 2^51975936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51975936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79397136).

51975936 is an abundant number, since it is smaller than the sum of its proper divisors (106818336).

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

51975936 is a wasteful number, since it uses less digits than its factorization.

51975936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1349 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 51975936 is about 7209.4338196560. The cubic root of 51975936 is about 373.1935304207.

The spelling of 51975936 in words is "fifty-one million, nine hundred seventy-five thousand, nine hundred thirty-six".