51884032 has 52 divisors (see below), whose sum is σ = 106155360. Its totient is φ = 25346048.

The previous prime is 51884029. The next prime is 51884071. The reversal of 51884032 is 23048815.

It is a junction number, because it is equal to n+sod(n) for n = 51883985 and 51884003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216969 + ... + 217207.

Almost surely, 2^51884032 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 51884032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53077680).

51884032 is an abundant number, since it is smaller than the sum of its proper divisors (54271328).

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

51884032 is an equidigital number, since it uses as much as digits as its factorization.

51884032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 51884032 is about 7203.0571287475. The cubic root of 51884032 is about 372.9734400224.

The spelling of 51884032 in words is "fifty-one million, eight hundred eighty-four thousand, thirty-two".