52542320012 has 48 divisors (see below), whose sum is σ = 113200480512. Its totient is φ = 20780020800.

The previous prime is 52542319993. The next prime is 52542320059. The reversal of 52542320012 is 21002324525.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383023 + ... + 1420505.

It is an arithmetic number, because the mean of its divisors is an integer number (2358343344).

Almost surely, 2^52542320012 is an apocalyptic number.

52542320012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52542320012 is an abundant number, since it is smaller than the sum of its proper divisors (60658160500).

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

52542320012 is a wasteful number, since it uses less digits than its factorization.

52542320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41358 (or 41356 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 52542320012 its reverse (21002324525), we get a palindrome (73544644537).

The spelling of 52542320012 in words is "fifty-two billion, five hundred forty-two million, three hundred twenty thousand, twelve".