56028352578 has 64 divisors (see below), whose sum is σ = 129178990080. Its totient is φ = 16022016000.

The previous prime is 56028352537. The next prime is 56028352591. The reversal of 56028352578 is 87525382065.

It is a self number, because there is not a number n which added to its sum of digits gives 56028352578.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235353 + ... + 409203.

It is an arithmetic number, because the mean of its divisors is an integer number (2018421720).

Almost surely, 2^56028352578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56028352578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64589495040).

56028352578 is an abundant number, since it is smaller than the sum of its proper divisors (73150637502).

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

56028352578 is a wasteful number, since it uses less digits than its factorization.

56028352578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174143.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 56028352578 in words is "fifty-six billion, twenty-eight million, three hundred fifty-two thousand, five hundred seventy-eight".