52778050030025 has 6 divisors (see below), whose sum is σ = 65444782037262. Its totient is φ = 42222440024000.

The previous prime is 52778050029923. The next prime is 52778050030031. The reversal of 52778050030025 is 52003005087725.

It can be written as a sum of positive squares in 3 ways, for example, as 4346290970176 + 48431759059849 = 2084776^2 + 6959293^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52778050030025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1055561000576 + ... + 1055561000625.

It is an arithmetic number, because the mean of its divisors is an integer number (10907463672877).

Almost surely, 2^{52778050030025} is an apocalyptic number.

It is an amenable number.

52778050030025 is a deficient number, since it is larger than the sum of its proper divisors (12666732007237).

52778050030025 is a wasteful number, since it uses less digits than its factorization.

52778050030025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111122001211 (or 2111122001206 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 52778050030025 in words is "fifty-two trillion, seven hundred seventy-eight billion, fifty million, thirty thousand, twenty-five".