51092442 has 24 divisors (see below), whose sum is σ = 111720180. Its totient is φ = 16873920.

The previous prime is 51092423. The next prime is 51092527. The reversal of 51092442 is 24429015.

It can be written as a sum of positive squares in 2 ways, for example, as 44635761 + 6456681 = 6681^2 + 2541^2 .

It is a super-2 number, since 2×51092442² = 5220875259046728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11059 + ... + 14982.

Almost surely, 2^51092442 is an apocalyptic number.

51092442 is an abundant number, since it is smaller than the sum of its proper divisors (60627738).

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

51092442 is a wasteful number, since it uses less digits than its factorization.

51092442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26158 (or 26155 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 51092442 is about 7147.8977329002. The cubic root of 51092442 is about 371.0669035578.

The spelling of 51092442 in words is "fifty-one million, ninety-two thousand, four hundred forty-two".