2554403545 has 4 divisors (see below), whose sum is σ = 3065284260. Its totient is φ = 2043522832.

The previous prime is 2554403539. The next prime is 2554403557. The reversal of 2554403545 is 5453044552.

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 1124126784 + 1430276761 = 33528^2 + 37819^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554403545 - 2⁵ = 2554403513 is a prime.

It is an unprimeable number.

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, 255440350 + ... + 255440359.

It is an arithmetic number, because the mean of its divisors is an integer number (766321065).

Almost surely, 2^2554403545 is an apocalyptic number.

It is an amenable number.

2554403545 is a deficient number, since it is larger than the sum of its proper divisors (510880715).

2554403545 is an equidigital number, since it uses as much as digits as its factorization.

2554403545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510880714.

The product of its (nonzero) digits is 240000, while the sum is 37.

The square root of 2554403545 is about 50541.1074769835. The cubic root of 2554403545 is about 1366.9831755202.

The spelling of 2554403545 in words is "two billion, five hundred fifty-four million, four hundred three thousand, five hundred forty-five".