52212535436 has 12 divisors (see below), whose sum is σ = 92472804312. Its totient is φ = 25791734208.

The previous prime is 52212535429. The next prime is 52212535481. The reversal of 52212535436 is 63453521225.

It is a super-2 number, since 2×52212535436² (a number of 22 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 52212535436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78633005 + ... + 78633668.

It is an arithmetic number, because the mean of its divisors is an integer number (7706067026).

Almost surely, 2^52212535436 is an apocalyptic number.

It is an amenable number.

52212535436 is a deficient number, since it is larger than the sum of its proper divisors (40260268876).

52212535436 is a wasteful number, since it uses less digits than its factorization.

52212535436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157266760 (or 157266758 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The spelling of 52212535436 in words is "fifty-two billion, two hundred twelve million, five hundred thirty-five thousand, four hundred thirty-six".