252045055 has 4 divisors (see below), whose sum is σ = 302454072. Its totient is φ = 201636040.

The previous prime is 252045011. The next prime is 252045113. The reversal of 252045055 is 550540252.

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

It is not a de Polignac number, because 252045055 - 2⁷ = 252044927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25204501 + ... + 25204510.

It is an arithmetic number, because the mean of its divisors is an integer number (75613518).

Almost surely, 2^252045055 is an apocalyptic number.

252045055 is a deficient number, since it is larger than the sum of its proper divisors (50409017).

252045055 is an equidigital number, since it uses as much as digits as its factorization.

252045055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50409016.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 252045055 is about 15875.9269020741. The cubic root of 252045055 is about 631.6736008534.

The spelling of 252045055 in words is "two hundred fifty-two million, forty-five thousand, fifty-five".