51150916 has 12 divisors (see below), whose sum is σ = 89603388. Its totient is φ = 25549952.

The previous prime is 51150893. The next prime is 51150929. The reversal of 51150916 is 61905115.

It can be written as a sum of positive squares in 2 ways, for example, as 26050816 + 25100100 = 5104^2 + 5010^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (7466949).

Almost surely, 2^51150916 is an apocalyptic number.

It is an amenable number.

51150916 is a deficient number, since it is larger than the sum of its proper divisors (38452472).

51150916 is a wasteful number, since it uses less digits than its factorization.

51150916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758 (or 12756 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 51150916 is about 7151.9868568112. The cubic root of 51150916 is about 371.2084084655.

The spelling of 51150916 in words is "fifty-one million, one hundred fifty thousand, nine hundred sixteen".