51250116 has 48 divisors (see below), whose sum is σ = 123621120. Its totient is φ = 16515840.

The previous prime is 51250097. The next prime is 51250117. The reversal of 51250116 is 61105215.

It is a junction number, because it is equal to n+sod(n) for n = 51250092 and 51250101.

It is not an unprimeable number, because it can be changed into a prime (51250117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49686 + ... + 50706.

It is an arithmetic number, because the mean of its divisors is an integer number (2575440).

Almost surely, 2^51250116 is an apocalyptic number.

It is an amenable number.

51250116 is an abundant number, since it is smaller than the sum of its proper divisors (72371004).

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

51250116 is a wasteful number, since it uses less digits than its factorization.

51250116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

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

The square root of 51250116 is about 7158.9186334250. The cubic root of 51250116 is about 371.4482223190.

The spelling of 51250116 in words is "fifty-one million, two hundred fifty thousand, one hundred sixteen".