51828384 has 48 divisors (see below), whose sum is σ = 141970752. Its totient is φ = 16524288.

The previous prime is 51828383. The next prime is 51828391. The reversal of 51828384 is 48382815.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (51828383) 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, 9529 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (2957724).

Almost surely, 2^51828384 is an apocalyptic number.

It is an amenable number.

51828384 is an abundant number, since it is smaller than the sum of its proper divisors (90142368).

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

51828384 is a wasteful number, since it uses less digits than its factorization.

51828384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23509 (or 23501 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 51828384 is about 7199.1932881400. The cubic root of 51828384 is about 372.8400486242.

The spelling of 51828384 in words is "fifty-one million, eight hundred twenty-eight thousand, three hundred eighty-four".