53278325780275 has 12 divisors (see below), whose sum is σ = 66649771085832. Its totient is φ = 42245468935040.

The previous prime is 53278325780227. The next prime is 53278325780353. The reversal of 53278325780275 is 57208752387235.

It is a de Polignac number, because none of the positive numbers 2^k-53278325780275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9429789349 + ... + 9429794998.

It is an arithmetic number, because the mean of its divisors is an integer number (5554147590486).

Almost surely, 2^{53278325780275} is an apocalyptic number.

53278325780275 is a deficient number, since it is larger than the sum of its proper divisors (13371445305557).

53278325780275 is a wasteful number, since it uses less digits than its factorization.

53278325780275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18859584470 (or 18859584465 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 64.

The spelling of 53278325780275 in words is "fifty-three trillion, two hundred seventy-eight billion, three hundred twenty-five million, seven hundred eighty thousand, two hundred seventy-five".