52255800138 has 32 divisors (see below), whose sum is σ = 107052751872. Its totient is φ = 16995913200.

The previous prime is 52255800137. The next prime is 52255800169. The reversal of 52255800138 is 83100855225.

It is a junction number, because it is equal to n+sod(n) for n = 52255800096 and 52255800105.

It is not an unprimeable number, because it can be changed into a prime (52255800137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146223 + ... + 354813.

It is an arithmetic number, because the mean of its divisors is an integer number (3345398496).

Almost surely, 2^52255800138 is an apocalyptic number.

52255800138 is an abundant number, since it is smaller than the sum of its proper divisors (54796951734).

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

52255800138 is a wasteful number, since it uses less digits than its factorization.

52255800138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209610.

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 52255800138 in words is "fifty-two billion, two hundred fifty-five million, eight hundred thousand, one hundred thirty-eight".