53213532215 has 16 divisors (see below), whose sum is σ = 65634336768. Its totient is φ = 41394308256.

The previous prime is 53213532193. The next prime is 53213532221. The reversal of 53213532215 is 51223531235.

It is a cyclic number.

It is not a de Polignac number, because 53213532215 - 2¹⁰ = 53213531191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506999 + ... + 602888.

It is an arithmetic number, because the mean of its divisors is an integer number (4102146048).

Almost surely, 2^53213532215 is an apocalyptic number.

53213532215 is a deficient number, since it is larger than the sum of its proper divisors (12420804553).

53213532215 is a wasteful number, since it uses less digits than its factorization.

53213532215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110158.

The product of its digits is 27000, while the sum is 32.

The spelling of 53213532215 in words is "fifty-three billion, two hundred thirteen million, five hundred thirty-two thousand, two hundred fifteen".