2541554553 has 32 divisors (see below), whose sum is σ = 3649266432. Its totient is φ = 1567641600.

The previous prime is 2541554539. The next prime is 2541554573. The reversal of 2541554553 is 3554551452.

It is not a de Polignac number, because 2541554553 - 2¹² = 2541550457 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2541554503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567083 + ... + 1568703.

It is an arithmetic number, because the mean of its divisors is an integer number (114039576).

Almost surely, 2^2541554553 is an apocalyptic number.

It is an amenable number.

2541554553 is a deficient number, since it is larger than the sum of its proper divisors (1107711879).

2541554553 is a wasteful number, since it uses less digits than its factorization.

2541554553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145.

The product of its digits is 300000, while the sum is 39.

The square root of 2541554553 is about 50413.8329528712. The cubic root of 2541554553 is about 1364.6872855003.

The spelling of 2541554553 in words is "two billion, five hundred forty-one million, five hundred fifty-four thousand, five hundred fifty-three".