2154004550 has 48 divisors (see below), whose sum is σ = 4311768672. Its totient is φ = 797606400.

The previous prime is 2154004471. The next prime is 2154004561. The reversal of 2154004550 is 554004512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31079 + ... + 72621.

It is an arithmetic number, because the mean of its divisors is an integer number (89828514).

Almost surely, 2^2154004550 is an apocalyptic number.

2154004550 is an abundant number, since it is smaller than the sum of its proper divisors (2157764122).

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

2154004550 is a wasteful number, since it uses less digits than its factorization.

2154004550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633 (or 41628 counting only the distinct ones).

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

The square root of 2154004550 is about 46411.2545617978. The cubic root of 2154004550 is about 1291.4637052357.

The spelling of 2154004550 in words is "two billion, one hundred fifty-four million, four thousand, five hundred fifty".