51273782 has 16 divisors (see below), whose sum is σ = 88186272. Its totient is φ = 21902400.

The previous prime is 51273779. The next prime is 51273791. The reversal of 51273782 is 28737215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (5511642).

Almost surely, 2^51273782 is an apocalyptic number.

51273782 is a deficient number, since it is larger than the sum of its proper divisors (36912490).

51273782 is a wasteful number, since it uses less digits than its factorization.

51273782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023.

The product of its digits is 23520, while the sum is 35.

The square root of 51273782 is about 7160.5713459193. The cubic root of 51273782 is about 371.5053886343.

The spelling of 51273782 in words is "fifty-one million, two hundred seventy-three thousand, seven hundred eighty-two".