51892274 has 12 divisors (see below), whose sum is σ = 90546894. Its totient is φ = 22239504.

The previous prime is 51892261. The next prime is 51892283. The reversal of 51892274 is 47229815.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 9966649 = 6475^2 + 3157^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264659 + ... + 264854.

Almost surely, 2^51892274 is an apocalyptic number.

51892274 is a deficient number, since it is larger than the sum of its proper divisors (38654620).

51892274 is a wasteful number, since it uses less digits than its factorization.

51892274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529529 (or 529522 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 51892274 is about 7203.6292242175. The cubic root of 51892274 is about 372.9931884512.

The spelling of 51892274 in words is "fifty-one million, eight hundred ninety-two thousand, two hundred seventy-four".