52215213355 has 4 divisors (see below), whose sum is σ = 62658256032. Its totient is φ = 41772170680.

The previous prime is 52215213353. The next prime is 52215213373. The reversal of 52215213355 is 55331251225.

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

It is not a de Polignac number, because 52215213355 - 2¹ = 52215213353 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 52215213355.

It is not an unprimeable number, because it can be changed into a prime (52215213353) 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, 5221521331 + ... + 5221521340.

It is an arithmetic number, because the mean of its divisors is an integer number (15664564008).

Almost surely, 2^52215213355 is an apocalyptic number.

52215213355 is a deficient number, since it is larger than the sum of its proper divisors (10443042677).

52215213355 is a wasteful number, since it uses less digits than its factorization.

52215213355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443042676.

The product of its digits is 45000, while the sum is 34.

The spelling of 52215213355 in words is "fifty-two billion, two hundred fifteen million, two hundred thirteen thousand, three hundred fifty-five".