52043499393 has 16 divisors (see below), whose sum is σ = 73276898880. Its totient is φ = 32764552704.

The previous prime is 52043499307. The next prime is 52043499397. The reversal of 52043499393 is 39399434025.

It is a happy number.

It is not a de Polignac number, because 52043499393 - 2¹² = 52043495297 is a prime.

It is a super-4 number, since 4×52043499393⁴ (a number of 44 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52043499397) 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, 1440696 + ... + 1476377.

It is an arithmetic number, because the mean of its divisors is an integer number (4579806180).

Almost surely, 2^52043499393 is an apocalyptic number.

It is an amenable number.

52043499393 is a deficient number, since it is larger than the sum of its proper divisors (21233399487).

52043499393 is a wasteful number, since it uses less digits than its factorization.

52043499393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917408.

The product of its (nonzero) digits is 3149280, while the sum is 51.

The spelling of 52043499393 in words is "fifty-two billion, forty-three million, four hundred ninety-nine thousand, three hundred ninety-three".