220553453 has 4 divisors (see below), whose sum is σ = 220584540. Its totient is φ = 220522368.

The previous prime is 220553441. The next prime is 220553471. The reversal of 220553453 is 354355022.

220553453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 171034084 + 49519369 = 13078^2 + 7037^2 .

It is a cyclic number.

It is not a de Polignac number, because 220553453 - 2¹⁰ = 220552429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220553413) 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, 893 + ... + 21021.

It is an arithmetic number, because the mean of its divisors is an integer number (55146135).

Almost surely, 2^220553453 is an apocalyptic number.

It is an amenable number.

220553453 is a deficient number, since it is larger than the sum of its proper divisors (31087).

220553453 is a wasteful number, since it uses less digits than its factorization.

220553453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31086.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 220553453 is about 14851.0421519838. The cubic root of 220553453 is about 604.1868756797.

The spelling of 220553453 in words is "two hundred twenty million, five hundred fifty-three thousand, four hundred fifty-three".