53213045205522 has 16 divisors (see below), whose sum is σ = 106431554837952. Its totient is φ = 17736770997360.

The previous prime is 53213045205503. The next prime is 53213045205539. The reversal of 53213045205522 is 22550254031235.

It is a super-2 number, since 2×53213045205522² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227557854 + ... + 227791577.

It is an arithmetic number, because the mean of its divisors is an integer number (6651972177372).

Almost surely, 2^{53213045205522} is an apocalyptic number.

53213045205522 is an abundant number, since it is smaller than the sum of its proper divisors (53218509632430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53213045205522 is a wasteful number, since it uses less digits than its factorization.

53213045205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455368913.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 53213045205522 its reverse (22550254031235), we get a palindrome (75763299236757).

The spelling of 53213045205522 in words is "fifty-three trillion, two hundred thirteen billion, forty-five million, two hundred five thousand, five hundred twenty-two".