52523669406 has 64 divisors (see below), whose sum is σ = 117082324800. Its totient is φ = 15596722176.

The previous prime is 52523669389. The next prime is 52523669437. The reversal of 52523669406 is 60496632525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6983560 + ... + 6991076.

It is an arithmetic number, because the mean of its divisors is an integer number (1829411325).

Almost surely, 2^52523669406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52523669406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58541162400).

52523669406 is an abundant number, since it is smaller than the sum of its proper divisors (64558655394).

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

52523669406 is a wasteful number, since it uses less digits than its factorization.

52523669406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 52523669406 in words is "fifty-two billion, five hundred twenty-three million, six hundred sixty-nine thousand, four hundred six".