2152442555 has 4 divisors (see below), whose sum is σ = 2582931072. Its totient is φ = 1721954040.

The previous prime is 2152442533. The next prime is 2152442599. The reversal of 2152442555 is 5552442512.

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

It is not a de Polignac number, because 2152442555 - 2⁶ = 2152442491 is a prime.

It is a Duffinian number.

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, 215244251 + ... + 215244260.

It is an arithmetic number, because the mean of its divisors is an integer number (645732768).

Almost surely, 2^2152442555 is an apocalyptic number.

2152442555 is a deficient number, since it is larger than the sum of its proper divisors (430488517).

2152442555 is an equidigital number, since it uses as much as digits as its factorization.

2152442555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430488516.

The product of its digits is 80000, while the sum is 35.

The square root of 2152442555 is about 46394.4237489809. The cubic root of 2152442555 is about 1291.1514577279.

The spelling of 2152442555 in words is "two billion, one hundred fifty-two million, four hundred forty-two thousand, five hundred fifty-five".