252550555278 has 16 divisors (see below), whose sum is σ = 577258412160. Its totient is φ = 72157301496.

The previous prime is 252550555267. The next prime is 252550555343. The reversal of 252550555278 is 872555055252.

252550555278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252550555278² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252550555278.

It is a congruent 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, 3006554188 + ... + 3006554271.

It is an arithmetic number, because the mean of its divisors is an integer number (36078650760).

Almost surely, 2^252550555278 is an apocalyptic number.

252550555278 is an abundant number, since it is smaller than the sum of its proper divisors (324707856882).

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

252550555278 is a wasteful number, since it uses less digits than its factorization.

252550555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013108471.

The product of its (nonzero) digits is 7000000, while the sum is 51.

The spelling of 252550555278 in words is "two hundred fifty-two billion, five hundred fifty million, five hundred fifty-five thousand, two hundred seventy-eight".