53828324399 has 4 divisors (see below), whose sum is σ = 53876258136. Its totient is φ = 53780390664.

The previous prime is 53828324387. The next prime is 53828324441. The reversal of 53828324399 is 99342382835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53828324399 - 2³² = 49533357103 is a prime.

It is a super-2 number, since 2×53828324399² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53828324369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23965184 + ... + 23967429.

It is an arithmetic number, because the mean of its divisors is an integer number (13469064534).

Almost surely, 2^53828324399 is an apocalyptic number.

53828324399 is a deficient number, since it is larger than the sum of its proper divisors (47933737).

53828324399 is a wasteful number, since it uses less digits than its factorization.

53828324399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47933736.

The product of its digits is 11197440, while the sum is 56.

The spelling of 53828324399 in words is "fifty-three billion, eight hundred twenty-eight million, three hundred twenty-four thousand, three hundred ninety-nine".