52144515533 has 4 divisors (see below), whose sum is σ = 56884926048. Its totient is φ = 47404105020.

The previous prime is 52144515529. The next prime is 52144515539. The reversal of 52144515533 is 33551544125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52144515533 - 2² = 52144515529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144515539) 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, 2370205241 + ... + 2370205262.

It is an arithmetic number, because the mean of its divisors is an integer number (14221231512).

Almost surely, 2^52144515533 is an apocalyptic number.

It is an amenable number.

52144515533 is a deficient number, since it is larger than the sum of its proper divisors (4740410515).

52144515533 is a wasteful number, since it uses less digits than its factorization.

52144515533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740410514.

The product of its digits is 180000, while the sum is 38.

The spelling of 52144515533 in words is "fifty-two billion, one hundred forty-four million, five hundred fifteen thousand, five hundred thirty-three".