5215854553323 has 4 divisors (see below), whose sum is σ = 6954472737768. Its totient is φ = 3477236368880.

The previous prime is 5215854553313. The next prime is 5215854553369. The reversal of 5215854553323 is 3233554585125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5215854553323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215854553313) 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, 869309092218 + ... + 869309092223.

It is an arithmetic number, because the mean of its divisors is an integer number (1738618184442).

Almost surely, 2^{5215854553323} is an apocalyptic number.

5215854553323 is a deficient number, since it is larger than the sum of its proper divisors (1738618184445).

5215854553323 is a wasteful number, since it uses less digits than its factorization.

5215854553323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738618184444.

The product of its digits is 10800000, while the sum is 51.

The spelling of 5215854553323 in words is "five trillion, two hundred fifteen billion, eight hundred fifty-four million, five hundred fifty-three thousand, three hundred twenty-three".