51284213382 has 16 divisors (see below), whose sum is σ = 103866762240. Its totient is φ = 16878348552.

The previous prime is 51284213381. The next prime is 51284213443. The reversal of 51284213382 is 28331248215.

It is a self number, because there is not a number n which added to its sum of digits gives 51284213382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51284213381) 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, 54096798 + ... + 54097745.

It is an arithmetic number, because the mean of its divisors is an integer number (6491672640).

Almost surely, 2^51284213382 is an apocalyptic number.

51284213382 is an abundant number, since it is smaller than the sum of its proper divisors (52582548858).

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

51284213382 is a wasteful number, since it uses less digits than its factorization.

51284213382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108194627.

The product of its digits is 92160, while the sum is 39.

The spelling of 51284213382 in words is "fifty-one billion, two hundred eighty-four million, two hundred thirteen thousand, three hundred eighty-two".