52266723406 has 4 divisors (see below), whose sum is σ = 78400085112. Its totient is φ = 26133361702.

The previous prime is 52266723389. The next prime is 52266723409. The reversal of 52266723406 is 60432766225.

It is a happy number.

52266723406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52266723409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13066680850 + ... + 13066680853.

It is an arithmetic number, because the mean of its divisors is an integer number (19600021278).

Almost surely, 2^52266723406 is an apocalyptic number.

52266723406 is a deficient number, since it is larger than the sum of its proper divisors (26133361706).

52266723406 is a wasteful number, since it uses less digits than its factorization.

52266723406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26133361705.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 52266723406 in words is "fifty-two billion, two hundred sixty-six million, seven hundred twenty-three thousand, four hundred six".