252253235550 has 24 divisors (see below), whose sum is σ = 625588024536. Its totient is φ = 67267529440.

The previous prime is 252253235537. The next prime is 252253235551. The reversal of 252253235550 is 55532352252.

It is a junction number, because it is equal to n+sod(n) for n = 252253235499 and 252253235508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252253235551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 840843969 + ... + 840844268.

It is an arithmetic number, because the mean of its divisors is an integer number (26066167689).

Almost surely, 2^252253235550 is an apocalyptic number.

252253235550 is an abundant number, since it is smaller than the sum of its proper divisors (373334788986).

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

252253235550 is a wasteful number, since it uses less digits than its factorization.

252253235550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681688252 (or 1681688247 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 252253235550 in words is "two hundred fifty-two billion, two hundred fifty-three million, two hundred thirty-five thousand, five hundred fifty".