52073213526 has 32 divisors (see below), whose sum is σ = 120749483520. Its totient is φ = 16603053192.

The previous prime is 52073213497. The next prime is 52073213561. The reversal of 52073213526 is 62531237025.

52073213526 is a `hidden beast` number, since 52 + 0 + 73 + 2 + 13 + 526 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20962210 + ... + 20964693.

It is an arithmetic number, because the mean of its divisors is an integer number (3773421360).

Almost surely, 2^52073213526 is an apocalyptic number.

52073213526 is an abundant number, since it is smaller than the sum of its proper divisors (68676269994).

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

52073213526 is a wasteful number, since it uses less digits than its factorization.

52073213526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41926937 (or 41926931 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 52073213526 in words is "fifty-two billion, seventy-three million, two hundred thirteen thousand, five hundred twenty-six".