53278328028 has 12 divisors (see below), whose sum is σ = 124316098760. Its totient is φ = 17759442672.

The previous prime is 53278328023. The next prime is 53278328111. The reversal of 53278328028 is 82082387235.

53278328028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53278328023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219930323 + ... + 2219930346.

Almost surely, 2^53278328028 is an apocalyptic number.

It is an amenable number.

53278328028 is an abundant number, since it is smaller than the sum of its proper divisors (71037770732).

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

53278328028 is a wasteful number, since it uses less digits than its factorization.

53278328028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439860676 (or 4439860674 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 53278328028 in words is "fifty-three billion, two hundred seventy-eight million, three hundred twenty-eight thousand, twenty-eight".