52819091433 has 12 divisors (see below), whose sum is σ = 76520639988. Its totient is φ = 35108236800.

The previous prime is 52819091371. The next prime is 52819091453. The reversal of 52819091433 is 33419091825.

It is a happy number.

52819091433 is a `hidden beast` number, since 5 + 28 + 190 + 9 + 1 + 433 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29406419289 + 23412672144 = 171483^2 + 153012^2 .

It is not a de Polignac number, because 52819091433 - 2⁸ = 52819091177 is a prime.

It is a super-2 number, since 2×52819091433² (a number of 22 digits) contains 22 as substring.

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 (52819091453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8704368 + ... + 8710433.

It is an arithmetic number, because the mean of its divisors is an integer number (6376719999).

Almost surely, 2^52819091433 is an apocalyptic number.

It is an amenable number.

52819091433 is a deficient number, since it is larger than the sum of its proper divisors (23701548555).

52819091433 is a wasteful number, since it uses less digits than its factorization.

52819091433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415144 (or 17415141 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 52819091433 in words is "fifty-two billion, eight hundred nineteen million, ninety-one thousand, four hundred thirty-three".