2154552554 has 64 divisors (see below), whose sum is σ = 4248502272. Its totient is φ = 794534400.

The previous prime is 2154552529. The next prime is 2154552559. The reversal of 2154552554 is 4552554512.

2154552554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2154552559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340439 + ... + 346709.

It is an arithmetic number, because the mean of its divisors is an integer number (66382848).

Almost surely, 2^2154552554 is an apocalyptic number.

2154552554 is a deficient number, since it is larger than the sum of its proper divisors (2093949718).

2154552554 is a wasteful number, since it uses less digits than its factorization.

2154552554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411.

The product of its digits is 200000, while the sum is 38.

The square root of 2154552554 is about 46417.1579698714. The cubic root of 2154552554 is about 1291.5732171163.

The spelling of 2154552554 in words is "two billion, one hundred fifty-four million, five hundred fifty-two thousand, five hundred fifty-four".