2154031554 has 16 divisors (see below), whose sum is σ = 4315262400. Its totient is φ = 716810640.

The previous prime is 2154031547. The next prime is 2154031571. The reversal of 2154031554 is 4551304512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296077 + ... + 303264.

It is an arithmetic number, because the mean of its divisors is an integer number (269703900).

Almost surely, 2^2154031554 is an apocalyptic number.

2154031554 is an abundant number, since it is smaller than the sum of its proper divisors (2161230846).

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

2154031554 is a wasteful number, since it uses less digits than its factorization.

2154031554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599945.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2154031554 is about 46411.5454817010. The cubic root of 2154031554 is about 1291.4691020891.

The spelling of 2154031554 in words is "two billion, one hundred fifty-four million, thirty-one thousand, five hundred fifty-four".