2554551771 has 4 divisors (see below), whose sum is σ = 3406069032. Its totient is φ = 1703034512.

The previous prime is 2554551763. The next prime is 2554551773. The reversal of 2554551771 is 1771554552.

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

It is a cyclic number.

It is not a de Polignac number, because 2554551771 - 2³ = 2554551763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554551773) 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, 425758626 + ... + 425758631.

It is an arithmetic number, because the mean of its divisors is an integer number (851517258).

Almost surely, 2^2554551771 is an apocalyptic number.

2554551771 is a deficient number, since it is larger than the sum of its proper divisors (851517261).

2554551771 is an equidigital number, since it uses as much as digits as its factorization.

2554551771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851517260.

The product of its digits is 245000, while the sum is 42.

The square root of 2554551771 is about 50542.5738462140. The cubic root of 2554551771 is about 1367.0096159430.

The spelling of 2554551771 in words is "two billion, five hundred fifty-four million, five hundred fifty-one thousand, seven hundred seventy-one".