53223987911 has 8 divisors (see below), whose sum is σ = 54289675440. Its totient is φ = 52160576832.

The previous prime is 53223987907. The next prime is 53223987917. The reversal of 53223987911 is 11978932235.

53223987911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53223987911 - 2² = 53223987907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53223987911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223987917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521846 + ... + 615443.

It is an arithmetic number, because the mean of its divisors is an integer number (6786209430).

Almost surely, 2^53223987911 is an apocalyptic number.

53223987911 is a deficient number, since it is larger than the sum of its proper divisors (1065687529).

53223987911 is a wasteful number, since it uses less digits than its factorization.

53223987911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138225.

The product of its digits is 816480, while the sum is 50.

The spelling of 53223987911 in words is "fifty-three billion, two hundred twenty-three million, nine hundred eighty-seven thousand, nine hundred eleven".