2554089445 has 4 divisors (see below), whose sum is σ = 3064907340. Its totient is φ = 2043271552.

The previous prime is 2554089431. The next prime is 2554089449. The reversal of 2554089445 is 5449804552.

It is a Cunningham number, because it is equal to 50538²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 919423684 + 1634665761 = 30322^2 + 40431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554089445 - 2⁵ = 2554089413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2554089395 and 2554089404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554089449) 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 3 ways as a sum of consecutive naturals, for example, 255408940 + ... + 255408949.

It is an arithmetic number, because the mean of its divisors is an integer number (766226835).

Almost surely, 2^2554089445 is an apocalyptic number.

It is an amenable number.

2554089445 is a deficient number, since it is larger than the sum of its proper divisors (510817895).

2554089445 is an equidigital number, since it uses as much as digits as its factorization.

2554089445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510817894.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The square root of 2554089445 is about 50538.0000098935. Note that the first 5 decimals coincide. The cubic root of 2554089445 is about 1366.9271432596.

The spelling of 2554089445 in words is "two billion, five hundred fifty-four million, eighty-nine thousand, four hundred forty-five".