51023112 has 96 divisors (see below), whose sum is σ = 151984800. Its totient is φ = 14224896.

The previous prime is 51023107. The next prime is 51023129. The reversal of 51023112 is 21132015.

It is a junction number, because it is equal to n+sod(n) for n = 51023091 and 51023100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50064 + ... + 51072.

It is an arithmetic number, because the mean of its divisors is an integer number (1583175).

Almost surely, 2^51023112 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 51023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75992400).

51023112 is an abundant number, since it is smaller than the sum of its proper divisors (100961688).

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

51023112 is a wasteful number, since it uses less digits than its factorization.

51023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51023112 is about 7143.0464089211. The cubic root of 51023112 is about 370.8989875704.

Adding to 51023112 its reverse (21132015), we get a palindrome (72155127).

The spelling of 51023112 in words is "fifty-one million, twenty-three thousand, one hundred twelve".