53328025 has 6 divisors (see below), whose sum is σ = 66126782. Its totient is φ = 42662400.

The previous prime is 53327987. The next prime is 53328043. The reversal of 53328025 is 52082335.

It can be written as a sum of positive squares in 3 ways, for example, as 17842176 + 35485849 = 4224^2 + 5957^2 .

It is not a de Polignac number, because 53328025 - 2⁹ = 53327513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53327984 and 53328002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066536 + ... + 1066585.

Almost surely, 2^53328025 is an apocalyptic number.

It is an amenable number.

53328025 is a deficient number, since it is larger than the sum of its proper divisors (12798757).

53328025 is a wasteful number, since it uses less digits than its factorization.

53328025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133131 (or 2133126 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53328025 is about 7302.6039876198. The cubic root of 53328025 is about 376.4019228058.

The spelling of 53328025 in words is "fifty-three million, three hundred twenty-eight thousand, twenty-five".