52778005028 has 24 divisors (see below), whose sum is σ = 106139202624. Its totient is φ = 22494175200.

The previous prime is 52778005001. The next prime is 52778005031. The reversal of 52778005028 is 82050087725.

It is a self number, because there is not a number n which added to its sum of digits gives 52778005028.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5201918 + ... + 5212053.

It is an arithmetic number, because the mean of its divisors is an integer number (4422466776).

Almost surely, 2^52778005028 is an apocalyptic number.

It is an amenable number.

52778005028 is an abundant number, since it is smaller than the sum of its proper divisors (53361197596).

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

52778005028 is a wasteful number, since it uses less digits than its factorization.

52778005028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414163 (or 10414161 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 52778005028 in words is "fifty-two billion, seven hundred seventy-eight million, five thousand, twenty-eight".