2150254555 has 4 divisors (see below), whose sum is σ = 2580305472. Its totient is φ = 1720203640.

The previous prime is 2150254543. The next prime is 2150254583. The reversal of 2150254555 is 5554520512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2150254555 - 2⁷ = 2150254427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150254555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215025451 + ... + 215025460.

It is an arithmetic number, because the mean of its divisors is an integer number (645076368).

Almost surely, 2^2150254555 is an apocalyptic number.

2150254555 is a deficient number, since it is larger than the sum of its proper divisors (430050917).

2150254555 is an equidigital number, since it uses as much as digits as its factorization.

2150254555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430050916.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 2150254555 is about 46370.8373333931. The cubic root of 2150254555 is about 1290.7138158251.

The spelling of 2150254555 in words is "two billion, one hundred fifty million, two hundred fifty-four thousand, five hundred fifty-five".