52778028006 has 32 divisors (see below), whose sum is σ = 127946736000. Its totient is φ = 15993341640.

The previous prime is 52778028001. The next prime is 52778028007. The reversal of 52778028006 is 60082087725.

52778028006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52778028001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44425356 + ... + 44426543.

It is an arithmetic number, because the mean of its divisors is an integer number (3998335500).

Almost surely, 2^52778028006 is an apocalyptic number.

52778028006 is an abundant number, since it is smaller than the sum of its proper divisors (75168707994).

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

52778028006 is a wasteful number, since it uses less digits than its factorization.

52778028006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88851921 (or 88851915 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 52778028006 in words is "fifty-two billion, seven hundred seventy-eight million, twenty-eight thousand, six".