52557436218 has 16 divisors (see below), whose sum is σ = 120131282880. Its totient is φ = 15016410336.

The previous prime is 52557436189. The next prime is 52557436231. The reversal of 52557436218 is 81263475525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625683723 + ... + 625683806.

It is an arithmetic number, because the mean of its divisors is an integer number (7508205180).

Almost surely, 2^52557436218 is an apocalyptic number.

52557436218 is an abundant number, since it is smaller than the sum of its proper divisors (67573846662).

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

52557436218 is a wasteful number, since it uses less digits than its factorization.

52557436218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251367541.

The product of its digits is 2016000, while the sum is 48.

The spelling of 52557436218 in words is "fifty-two billion, five hundred fifty-seven million, four hundred thirty-six thousand, two hundred eighteen".