51882786 has 12 divisors (see below), whose sum is σ = 112412742. Its totient is φ = 17294256.

The previous prime is 51882781. The next prime is 51882797. The reversal of 51882786 is 68728815.

51882786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 8520561 = 6585^2 + 2919^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51882781) 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 5 ways as a sum of consecutive naturals, for example, 1441171 + ... + 1441206.

Almost surely, 2^51882786 is an apocalyptic number.

51882786 is an abundant number, since it is smaller than the sum of its proper divisors (60529956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51882786 is a wasteful number, since it uses less digits than its factorization.

51882786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882385 (or 2882382 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 51882786 is about 7202.9706371746. The cubic root of 51882786 is about 372.9704543342.

The spelling of 51882786 in words is "fifty-one million, eight hundred eighty-two thousand, seven hundred eighty-six".