51232252 has 6 divisors (see below), whose sum is σ = 89656448. Its totient is φ = 25616124.

The previous prime is 51232219. The next prime is 51232261. The reversal of 51232252 is 25223215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404028 + ... + 6404035.

Almost surely, 2^51232252 is an apocalyptic number.

It is an amenable number.

51232252 is a deficient number, since it is larger than the sum of its proper divisors (38424196).

51232252 is a wasteful number, since it uses less digits than its factorization.

51232252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808067 (or 12808065 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 51232252 is about 7157.6708502138. The cubic root of 51232252 is about 371.4050593457.

Adding to 51232252 its reverse (25223215), we get a palindrome (76455467).

The spelling of 51232252 in words is "fifty-one million, two hundred thirty-two thousand, two hundred fifty-two".