51242092 has 12 divisors (see below), whose sum is σ = 97825896. Its totient is φ = 23291840.

The previous prime is 51242089. The next prime is 51242117. The reversal of 51242092 is 29024215.

51242092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582253 + ... + 582340.

It is an arithmetic number, because the mean of its divisors is an integer number (8152158).

Almost surely, 2^51242092 is an apocalyptic number.

It is an amenable number.

51242092 is a deficient number, since it is larger than the sum of its proper divisors (46583804).

51242092 is a wasteful number, since it uses less digits than its factorization.

51242092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164608 (or 1164606 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51242092 is about 7158.3581916526. The cubic root of 51242092 is about 371.4288359818.

The spelling of 51242092 in words is "fifty-one million, two hundred forty-two thousand, ninety-two".