52782181333 has 16 divisors (see below), whose sum is σ = 60596490240. Its totient is φ = 45036509616.

The previous prime is 52782181273. The next prime is 52782181339. The reversal of 52782181333 is 33318128725.

It is a happy number.

It is not a de Polignac number, because 52782181333 - 2¹³ = 52782173141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52782181333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52782181339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8902416 + ... + 8908342.

It is an arithmetic number, because the mean of its divisors is an integer number (3787280640).

Almost surely, 2^52782181333 is an apocalyptic number.

It is an amenable number.

52782181333 is a deficient number, since it is larger than the sum of its proper divisors (7814308907).

52782181333 is a wasteful number, since it uses less digits than its factorization.

52782181333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

The product of its digits is 241920, while the sum is 43.

The spelling of 52782181333 in words is "fifty-two billion, seven hundred eighty-two million, one hundred eighty-one thousand, three hundred thirty-three".