53280529 has 4 divisors (see below), whose sum is σ = 54285876. Its totient is φ = 52275184.

The previous prime is 53280527. The next prime is 53280551. The reversal of 53280529 is 92508235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92508235 = 5 ⋅18501647.

It can be written as a sum of positive squares in 2 ways, for example, as 40030929 + 13249600 = 6327^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280529 - 2¹ = 53280527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53280494 and 53280503.

It is not an unprimeable number, because it can be changed into a prime (53280527) 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, 502594 + ... + 502699.

It is an arithmetic number, because the mean of its divisors is an integer number (13571469).

Almost surely, 2^53280529 is an apocalyptic number.

It is an amenable number.

53280529 is a deficient number, since it is larger than the sum of its proper divisors (1005347).

53280529 is a wasteful number, since it uses less digits than its factorization.

53280529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005346.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 53280529 is about 7299.3512725447. The cubic root of 53280529 is about 376.2901435812.

The spelling of 53280529 in words is "fifty-three million, two hundred eighty thousand, five hundred twenty-nine".