51780682 has 32 divisors (see below), whose sum is σ = 84074112. Its totient is φ = 23859264.

The previous prime is 51780679. The next prime is 51780683. The reversal of 51780682 is 28608715.

It is not an unprimeable number, because it can be changed into a prime (51780683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 163188 + ... + 163504.

It is an arithmetic number, because the mean of its divisors is an integer number (2627316).

Almost surely, 2^51780682 is an apocalyptic number.

51780682 is a deficient number, since it is larger than the sum of its proper divisors (32293430).

51780682 is a wasteful number, since it uses less digits than its factorization.

51780682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 51780682 is about 7195.8795153893. The cubic root of 51780682 is about 372.7256282119.

The spelling of 51780682 in words is "fifty-one million, seven hundred eighty thousand, six hundred eighty-two".