51276782 has 16 divisors (see below), whose sum is σ = 82339200. Its totient is φ = 23876280.

The previous prime is 51276781. The next prime is 51276793. The reversal of 51276782 is 28767215.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9194 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (5146200).

Almost surely, 2^51276782 is an apocalyptic number.

51276782 is a deficient number, since it is larger than the sum of its proper divisors (31062418).

51276782 is a wasteful number, since it uses less digits than its factorization.

51276782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22951.

The product of its digits is 47040, while the sum is 38.

The square root of 51276782 is about 7160.7808233460. The cubic root of 51276782 is about 371.5126340164.

The spelling of 51276782 in words is "fifty-one million, two hundred seventy-six thousand, seven hundred eighty-two".