53005829994 has 72 divisors (see below), whose sum is σ = 130532570532. Its totient is φ = 15451067520.

The previous prime is 53005829971. The next prime is 53005830001. The reversal of 53005829994 is 49992850035.

It is a happy number.

53005829994 is a `hidden beast` number, since 53 + 0 + 0 + 582 + 9 + 9 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51594851025 + 1410978969 = 227145^2 + 37563^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53005829994.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 229267 + ... + 398214.

Almost surely, 2^53005829994 is an apocalyptic number.

53005829994 is an abundant number, since it is smaller than the sum of its proper divisors (77526740538).

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

53005829994 is a wasteful number, since it uses less digits than its factorization.

53005829994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627540 (or 627518 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 53005829994 in words is "fifty-three billion, five million, eight hundred twenty-nine thousand, nine hundred ninety-four".