51798912 has 64 divisors (see below), whose sum is σ = 150111360. Its totient is φ = 15695360.

The previous prime is 51798907. The next prime is 51798913. The reversal of 51798912 is 21989715.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51798913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (2345490).

Almost surely, 2^51798912 is an apocalyptic number.

It is an amenable number.

51798912 is an abundant number, since it is smaller than the sum of its proper divisors (98312448).

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

51798912 is a wasteful number, since it uses less digits than its factorization.

51798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291 (or 12279 counting only the distinct ones).

The product of its digits is 45360, while the sum is 42.

The square root of 51798912 is about 7197.1461010598. The cubic root of 51798912 is about 372.7693638980.

The spelling of 51798912 in words is "fifty-one million, seven hundred ninety-eight thousand, nine hundred twelve".