51982084 has 72 divisors (see below), whose sum is σ = 116486720. Its totient is φ = 19863360.

The previous prime is 51982069. The next prime is 51982087. The reversal of 51982084 is 48028915.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51982087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226882 + ... + 227110.

Almost surely, 2^51982084 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 51982084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58243360).

51982084 is an abundant number, since it is smaller than the sum of its proper divisors (64504636).

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

51982084 is a wasteful number, since it uses less digits than its factorization.

51982084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 51982084 is about 7209.8601928193. The cubic root of 51982084 is about 373.2082443027.

The spelling of 51982084 in words is "fifty-one million, nine hundred eighty-two thousand, eighty-four".