1053368553 has 4 divisors (see below), whose sum is σ = 1404491408. Its totient is φ = 702245700.

The previous prime is 1053368551. The next prime is 1053368579. The reversal of 1053368553 is 3558633501.

It is a happy number.

1053368553 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3558633501 = 3 ⋅1186211167.

It is not a de Polignac number, because 1053368553 - 2¹ = 1053368551 is a prime.

It is a super-2 number, since 2×1053368553² = 2219170616898627618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1053368551) 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, 175561423 + ... + 175561428.

It is an arithmetic number, because the mean of its divisors is an integer number (351122852).

Almost surely, 2^1053368553 is an apocalyptic number.

It is an amenable number.

1053368553 is a deficient number, since it is larger than the sum of its proper divisors (351122855).

1053368553 is an equidigital number, since it uses as much as digits as its factorization.

1053368553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351122854.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1053368553 is about 32455.6397718486. The cubic root of 1053368553 is about 1017.4821124259.

The spelling of 1053368553 in words is "one billion, fifty-three million, three hundred sixty-eight thousand, five hundred fifty-three".