2554045566 has 16 divisors (see below), whose sum is σ = 5112918288. Its totient is φ = 850544000.

The previous prime is 2554045523. The next prime is 2554045579. The reversal of 2554045566 is 6655404552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 194235 + ... + 206966.

It is an arithmetic number, because the mean of its divisors is an integer number (319557393).

Almost surely, 2^2554045566 is an apocalyptic number.

2554045566 is an abundant number, since it is smaller than the sum of its proper divisors (2558872722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2554045566 is a wasteful number, since it uses less digits than its factorization.

2554045566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402267.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 2554045566 is about 50537.5658891482. The cubic root of 2554045566 is about 1366.9193153244.

The spelling of 2554045566 in words is "two billion, five hundred fifty-four million, forty-five thousand, five hundred sixty-six".