2055213553 has 4 divisors (see below), whose sum is σ = 2144570688. Its totient is φ = 1965856420.

The previous prime is 2055213491. The next prime is 2055213571. The reversal of 2055213553 is 3553125502.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055213553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055217553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44678533 + ... + 44678578.

It is an arithmetic number, because the mean of its divisors is an integer number (536142672).

Almost surely, 2^2055213553 is an apocalyptic number.

2055213553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2055213553 is a deficient number, since it is larger than the sum of its proper divisors (89357135).

2055213553 is an equidigital number, since it uses as much as digits as its factorization.

2055213553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89357134.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 2055213553 is about 45334.4631930279. The cubic root of 2055213553 is about 1271.4100842437.

The spelling of 2055213553 in words is "two billion, fifty-five million, two hundred thirteen thousand, five hundred fifty-three".