53027728 has 20 divisors (see below), whose sum is σ = 110644828. Its totient is φ = 24474240.

The previous prime is 53027717. The next prime is 53027731. The reversal of 53027728 is 82772035.

It can be written as a sum of positive squares in 2 ways, for example, as 12730624 + 40297104 = 3568^2 + 6348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53027693 and 53027702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127263 + ... + 127678.

Almost surely, 2^53027728 is an apocalyptic number.

It is an amenable number.

53027728 is an abundant number, since it is smaller than the sum of its proper divisors (57617100).

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

53027728 is a wasteful number, since it uses less digits than its factorization.

53027728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254962 (or 254956 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 53027728 is about 7282.0140071274. The cubic root of 53027728 is about 375.6940698455.

The spelling of 53027728 in words is "fifty-three million, twenty-seven thousand, seven hundred twenty-eight".