51332254 has 4 divisors (see below), whose sum is σ = 76998384. Its totient is φ = 25666126.

The previous prime is 51332227. The next prime is 51332269. The reversal of 51332254 is 45223315.

51332254 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.

It is a congruent number.

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, 12833062 + ... + 12833065.

It is an arithmetic number, because the mean of its divisors is an integer number (19249596).

Almost surely, 2^51332254 is an apocalyptic number.

51332254 is a deficient number, since it is larger than the sum of its proper divisors (25666130).

51332254 is a wasteful number, since it uses less digits than its factorization.

51332254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25666129.

The product of its digits is 3600, while the sum is 25.

The square root of 51332254 is about 7164.6530969755. The cubic root of 51332254 is about 371.6465550683.

Adding to 51332254 its reverse (45223315), we get a palindrome (96555569).

The spelling of 51332254 in words is "fifty-one million, three hundred thirty-two thousand, two hundred fifty-four".