53228405328 has 40 divisors (see below), whose sum is σ = 157150531008. Its totient is φ = 15208115712.

The previous prime is 53228405303. The next prime is 53228405393. The reversal of 53228405328 is 82350482235.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 53228405328.

It is a congruent number.

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, 79208601 + ... + 79209272.

Almost surely, 2^53228405328 is an apocalyptic number.

It is an amenable number.

53228405328 is an abundant number, since it is smaller than the sum of its proper divisors (103922125680).

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

53228405328 is a wasteful number, since it uses less digits than its factorization.

53228405328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158417891 (or 158417885 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 53228405328 in words is "fifty-three billion, two hundred twenty-eight million, four hundred five thousand, three hundred twenty-eight".