52395019836 has 12 divisors (see below), whose sum is σ = 122255046312. Its totient is φ = 17465006608.

The previous prime is 52395019783. The next prime is 52395019841. The reversal of 52395019836 is 63891059325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×52395019836² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2183125815 + ... + 2183125838.

It is an arithmetic number, because the mean of its divisors is an integer number (10187920526).

Almost surely, 2^52395019836 is an apocalyptic number.

It is an amenable number.

52395019836 is an abundant number, since it is smaller than the sum of its proper divisors (69860026476).

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

52395019836 is a wasteful number, since it uses less digits than its factorization.

52395019836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366251660 (or 4366251658 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 52395019836 in words is "fifty-two billion, three hundred ninety-five million, nineteen thousand, eight hundred thirty-six".