252668055 has 32 divisors (see below), whose sum is σ = 416199168. Its totient is φ = 130838400.

The previous prime is 252668051. The next prime is 252668077. The reversal of 252668055 is 550866252.

It is a happy number.

It is not a de Polignac number, because 252668055 - 2² = 252668051 is a prime.

It is a super-2 number, since 2×252668055² = 127682292034966050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252668051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69585 + ... + 73125.

It is an arithmetic number, because the mean of its divisors is an integer number (13006224).

Almost surely, 2^252668055 is an apocalyptic number.

252668055 is a deficient number, since it is larger than the sum of its proper divisors (163531113).

252668055 is a wasteful number, since it uses less digits than its factorization.

252668055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 252668055 is about 15895.5356940243. The cubic root of 252668055 is about 632.1936254124.

The spelling of 252668055 in words is "two hundred fifty-two million, six hundred sixty-eight thousand, fifty-five".