51007112 has 16 divisors (see below), whose sum is σ = 102995340. Its totient is φ = 23541696.

The previous prime is 51007111. The next prime is 51007133. The reversal of 51007112 is 21170015.

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 682276 = 7094^2 + 826^2 .

It is not an unprimeable number, because it can be changed into a prime (51007111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245123 + ... + 245330.

Almost surely, 2^51007112 is an apocalyptic number.

51007112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51007112 is an abundant number, since it is smaller than the sum of its proper divisors (51988228).

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

51007112 is a wasteful number, since it uses less digits than its factorization.

51007112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490472 (or 490468 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 51007112 is about 7141.9263507824. The cubic root of 51007112 is about 370.8602142643.

Adding to 51007112 its reverse (21170015), we get a palindrome (72177127).

The spelling of 51007112 in words is "fifty-one million, seven thousand, one hundred twelve".