51513092 has 12 divisors (see below), whose sum is σ = 90543180. Its totient is φ = 25643616.

The previous prime is 51513089. The next prime is 51513101. The reversal of 51513092 is 29031515.

It can be written as a sum of positive squares in 2 ways, for example, as 39513796 + 11999296 = 6286^2 + 3464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27203 + ... + 29034.

It is an arithmetic number, because the mean of its divisors is an integer number (7545265).

Almost surely, 2^51513092 is an apocalyptic number.

It is an amenable number.

51513092 is a deficient number, since it is larger than the sum of its proper divisors (39030088).

51513092 is a wasteful number, since it uses less digits than its factorization.

51513092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56470 (or 56468 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 51513092 is about 7177.2621521023. The cubic root of 51513092 is about 372.0824671679.

The spelling of 51513092 in words is "fifty-one million, five hundred thirteen thousand, ninety-two".