51326782 has 16 divisors (see below), whose sum is σ = 83416032. Its totient is φ = 23545440.

The previous prime is 51326741. The next prime is 51326801. The reversal of 51326782 is 28762315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (5213502).

Almost surely, 2^51326782 is an apocalyptic number.

51326782 is a deficient number, since it is larger than the sum of its proper divisors (32089250).

51326782 is a wasteful number, since it uses less digits than its factorization.

51326782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003.

The product of its digits is 20160, while the sum is 34.

The square root of 51326782 is about 7164.2712120634. The cubic root of 51326782 is about 371.6333488022.

The spelling of 51326782 in words is "fifty-one million, three hundred twenty-six thousand, seven hundred eighty-two".