53208824399 has 16 divisors (see below), whose sum is σ = 57422221920. Its totient is φ = 49116487680.

The previous prime is 53208824387. The next prime is 53208824413. The reversal of 53208824399 is 99342880235.

It is a cyclic number.

It is not a de Polignac number, because 53208824399 - 2³² = 48913857103 is a prime.

It is a super-2 number, since 2×53208824399² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 53208824399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53208824329) 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, 2992367 + ... + 3010095.

It is an arithmetic number, because the mean of its divisors is an integer number (3588888870).

Almost surely, 2^53208824399 is an apocalyptic number.

53208824399 is a deficient number, since it is larger than the sum of its proper divisors (4213397521).

53208824399 is a wasteful number, since it uses less digits than its factorization.

53208824399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 53208824399 in words is "fifty-three billion, two hundred eight million, eight hundred twenty-four thousand, three hundred ninety-nine".