53213045205523 has 16 divisors (see below), whose sum is σ = 61568626524160. Its totient is φ = 45049114335456.

The previous prime is 53213045205503. The next prime is 53213045205539. The reversal of 53213045205523 is 32550254031235.

It is not a de Polignac number, because 53213045205523 - 2²⁵ = 53213011651091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53213045205503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134010708 + ... + 134407201.

It is an arithmetic number, because the mean of its divisors is an integer number (3848039157760).

Almost surely, 2^{53213045205523} is an apocalyptic number.

53213045205523 is a deficient number, since it is larger than the sum of its proper divisors (8355581318637).

53213045205523 is a wasteful number, since it uses less digits than its factorization.

53213045205523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268418266.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 53213045205523 its reverse (32550254031235), we get a palindrome (85763299236758).

The spelling of 53213045205523 in words is "fifty-three trillion, two hundred thirteen billion, forty-five million, two hundred five thousand, five hundred twenty-three".