252505555530 has 16 divisors (see below), whose sum is σ = 606013333344. Its totient is φ = 67334814800.

The previous prime is 252505555517. The next prime is 252505555553. The reversal of 252505555530 is 35555505252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208425896 + ... + 4208425955.

It is an arithmetic number, because the mean of its divisors is an integer number (37875833334).

Almost surely, 2^252505555530 is an apocalyptic number.

252505555530 is an abundant number, since it is smaller than the sum of its proper divisors (353507777814).

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

252505555530 is a wasteful number, since it uses less digits than its factorization.

252505555530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416851861.

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 252505555530 in words is "two hundred fifty-two billion, five hundred five million, five hundred fifty-five thousand, five hundred thirty".