52523397906 has 48 divisors (see below), whose sum is σ = 121231393344. Its totient is φ = 14860863072.

The previous prime is 52523397887. The next prime is 52523397911. The reversal of 52523397906 is 60979332525.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 386640 + ... + 504516.

It is an arithmetic number, because the mean of its divisors is an integer number (2525654028).

Almost surely, 2^52523397906 is an apocalyptic number.

52523397906 is an abundant number, since it is smaller than the sum of its proper divisors (68707995438).

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

52523397906 is a wasteful number, since it uses less digits than its factorization.

52523397906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118095 (or 117992 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 51.

The spelling of 52523397906 in words is "fifty-two billion, five hundred twenty-three million, three hundred ninety-seven thousand, nine hundred six".