2155334554 has 24 divisors (see below), whose sum is σ = 3447034848. Its totient is φ = 1008832440.

The previous prime is 2155334543. The next prime is 2155334561. The reversal of 2155334554 is 4554335512.

2155334554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91009 + ... + 112219.

It is an arithmetic number, because the mean of its divisors is an integer number (143626452).

Almost surely, 2^2155334554 is an apocalyptic number.

2155334554 is a deficient number, since it is larger than the sum of its proper divisors (1291700294).

2155334554 is a wasteful number, since it uses less digits than its factorization.

2155334554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330 (or 21283 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

The square root of 2155334554 is about 46425.5808148913. The cubic root of 2155334554 is about 1291.7294580773.

The spelling of 2155334554 in words is "two billion, one hundred fifty-five million, three hundred thirty-four thousand, five hundred fifty-four".