5455538389 has 4 divisors (see below), whose sum is σ = 6234901024. Its totient is φ = 4676175756.

The previous prime is 5455538369. The next prime is 5455538393. The reversal of 5455538389 is 9838355545.

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 not a de Polignac number, because 5455538389 - 2¹⁵ = 5455505621 is a prime.

It is a super-2 number, since 2×5455538389² = 59525798227705430642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455538329) 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, 389681307 + ... + 389681320.

It is an arithmetic number, because the mean of its divisors is an integer number (1558725256).

Almost surely, 2^5455538389 is an apocalyptic number.

It is an amenable number.

5455538389 is a deficient number, since it is larger than the sum of its proper divisors (779362635).

5455538389 is an equidigital number, since it uses as much as digits as its factorization.

5455538389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779362634.

The product of its digits is 12960000, while the sum is 55.

The square root of 5455538389 is about 73861.6164797386. The cubic root of 5455538389 is about 1760.4047783047.

The spelling of 5455538389 in words is "five billion, four hundred fifty-five million, five hundred thirty-eight thousand, three hundred eighty-nine".