2154051554 has 8 divisors (see below), whose sum is σ = 3335305728. Its totient is φ = 1042282980.

The previous prime is 2154051517. The next prime is 2154051619. The reversal of 2154051554 is 4551504512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2154051554.

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 3 ways as a sum of consecutive naturals, for example, 17371322 + ... + 17371445.

It is an arithmetic number, because the mean of its divisors is an integer number (416913216).

Almost surely, 2^2154051554 is an apocalyptic number.

2154051554 is a deficient number, since it is larger than the sum of its proper divisors (1181254174).

2154051554 is a wasteful number, since it uses less digits than its factorization.

2154051554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34742800.

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

The square root of 2154051554 is about 46411.7609448295. The cubic root of 2154051554 is about 1291.4730991370.

The spelling of 2154051554 in words is "two billion, one hundred fifty-four million, fifty-one thousand, five hundred fifty-four".