51650112 has 56 divisors (see below), whose sum is σ = 137216896. Its totient is φ = 17146368.

The previous prime is 51650089. The next prime is 51650129. The reversal of 51650112 is 21105615.

It is a super-2 number, since 2×51650112² = 5335468139225088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70098 + ... + 70830.

Almost surely, 2^51650112 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 51650112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68608448).

51650112 is an abundant number, since it is smaller than the sum of its proper divisors (85566784).

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

51650112 is a wasteful number, since it uses less digits than its factorization.

51650112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 51650112 is about 7186.8012355985. The cubic root of 51650112 is about 372.4120766015.

Adding to 51650112 its reverse (21105615), we get a palindrome (72755727).

The spelling of 51650112 in words is "fifty-one million, six hundred fifty thousand, one hundred twelve".