2153251554 has 16 divisors (see below), whose sum is σ = 4307921280. Its totient is φ = 717514160.

The previous prime is 2153251549. The next prime is 2153251579. The reversal of 2153251554 is 4551523512.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38817 + ... + 76244.

It is an arithmetic number, because the mean of its divisors is an integer number (269245080).

Almost surely, 2^2153251554 is an apocalyptic number.

2153251554 is an abundant number, since it is smaller than the sum of its proper divisors (2154669726).

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

2153251554 is a wasteful number, since it uses less digits than its factorization.

2153251554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118185.

The product of its digits is 30000, while the sum is 33.

The square root of 2153251554 is about 46403.1416393330. The cubic root of 2153251554 is about 1291.3131979176.

The spelling of 2153251554 in words is "two billion, one hundred fifty-three million, two hundred fifty-one thousand, five hundred fifty-four".