2154555104 has 24 divisors (see below), whose sum is σ = 4568072040. Its totient is φ = 994409856.

The previous prime is 2154555089. The next prime is 2154555121. The reversal of 2154555104 is 4015554512.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589194 + ... + 2590025.

It is an arithmetic number, because the mean of its divisors is an integer number (190336335).

Almost surely, 2^2154555104 is an apocalyptic number.

It is an amenable number.

2154555104 is an abundant number, since it is smaller than the sum of its proper divisors (2413516936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154555104 is a wasteful number, since it uses less digits than its factorization.

2154555104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179242 (or 5179234 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2154555104 is about 46417.1854381543. The cubic root of 2154555104 is about 1291.5737266591.

The spelling of 2154555104 in words is "two billion, one hundred fifty-four million, five hundred fifty-five thousand, one hundred four".