2154554000 has 80 divisors (see below), whose sum is σ = 5260794240. Its totient is φ = 853372800.

The previous prime is 2154553997. The next prime is 2154554023. The reversal of 2154554000 is 4554512.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200771 + ... + 211229.

It is an arithmetic number, because the mean of its divisors is an integer number (65759928).

Almost surely, 2^2154554000 is an apocalyptic number.

2154554000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2630397120).

2154554000 is an abundant number, since it is smaller than the sum of its proper divisors (3106240240).

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

2154554000 is a wasteful number, since it uses less digits than its factorization.

2154554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585 (or 10569 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2154554000 is about 46417.1735460056. The cubic root of 2154554000 is about 1291.5735060571.

The spelling of 2154554000 in words is "two billion, one hundred fifty-four million, five hundred fifty-four thousand".