51492202 has 4 divisors (see below), whose sum is σ = 77238306. Its totient is φ = 25746100.

The previous prime is 51492173. The next prime is 51492257. The reversal of 51492202 is 20229415.

51492202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20229415 = 5 ⋅4045883.

It can be written as a sum of positive squares in only one way, i.e., 25999801 + 25492401 = 5099^2 + 5049^2 .

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 as a sum of consecutive naturals, namely, 12873049 + ... + 12873052.

Almost surely, 2^51492202 is an apocalyptic number.

51492202 is a deficient number, since it is larger than the sum of its proper divisors (25746104).

51492202 is a wasteful number, since it uses less digits than its factorization.

51492202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25746103.

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

The square root of 51492202 is about 7175.8067142308. The cubic root of 51492202 is about 372.0321637508.

The spelling of 51492202 in words is "fifty-one million, four hundred ninety-two thousand, two hundred two".