51274783 has 4 divisors (see below), whose sum is σ = 58599760. Its totient is φ = 43949808.

The previous prime is 51274763. The next prime is 51274793. The reversal of 51274783 is 38747215.

51274783 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 not a de Polignac number, because 51274783 - 2¹⁷ = 51143711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51274753) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3662478 + ... + 3662491.

It is an arithmetic number, because the mean of its divisors is an integer number (14649940).

Almost surely, 2^51274783 is an apocalyptic number.

51274783 is a deficient number, since it is larger than the sum of its proper divisors (7324977).

51274783 is an equidigital number, since it uses as much as digits as its factorization.

51274783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324976.

The product of its digits is 47040, while the sum is 37.

The square root of 51274783 is about 7160.6412422352. The cubic root of 51274783 is about 371.5078062082.

The spelling of 51274783 in words is "fifty-one million, two hundred seventy-four thousand, seven hundred eighty-three".