51992112 has 40 divisors (see below), whose sum is σ = 136023040. Its totient is φ = 17110080.

The previous prime is 51992107. The next prime is 51992119. The reversal of 51992112 is 21129915.

It is a self number, because there is not a number n which added to its sum of digits gives 51992112.

It is not an unprimeable number, because it can be changed into a prime (51992119) 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 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (3400576).

Almost surely, 2^51992112 is an apocalyptic number.

It is an amenable number.

51992112 is an abundant number, since it is smaller than the sum of its proper divisors (84030928).

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

51992112 is a wasteful number, since it uses less digits than its factorization.

51992112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801 (or 13795 counting only the distinct ones).

The product of its digits is 1620, while the sum is 30.

The square root of 51992112 is about 7210.5555957915. Note that the first 4 decimals coincide. The cubic root of 51992112 is about 373.2322416196.

The spelling of 51992112 in words is "fifty-one million, nine hundred ninety-two thousand, one hundred twelve".