2552775549 has 16 divisors (see below), whose sum is σ = 3414882240. Its totient is φ = 1696271360.

The previous prime is 2552775523. The next prime is 2552775551. The reversal of 2552775549 is 9455772552.

It is a cyclic number.

It is not a de Polignac number, because 2552775549 - 2⁸ = 2552775293 is a prime.

Its product of digits (4410000) is a multiple of the sum of its prime divisors (2940).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552775149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096989 + ... + 2098205.

It is an arithmetic number, because the mean of its divisors is an integer number (213430140).

Almost surely, 2^2552775549 is an apocalyptic number.

It is an amenable number.

2552775549 is a deficient number, since it is larger than the sum of its proper divisors (862106691).

2552775549 is a wasteful number, since it uses less digits than its factorization.

2552775549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940.

The product of its digits is 4410000, while the sum is 51.

The square root of 2552775549 is about 50524.9992478971. Note that the first 3 decimals coincide. The cubic root of 2552775549 is about 1366.6927077000.

The spelling of 2552775549 in words is "two billion, five hundred fifty-two million, seven hundred seventy-five thousand, five hundred forty-nine".