53280853 has 4 divisors (see below), whose sum is σ = 54580428. Its totient is φ = 51981280.

The previous prime is 53280841. The next prime is 53280881. The reversal of 53280853 is 35808235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29398084 + 23882769 = 5422^2 + 4887^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280853 - 2⁹ = 53280341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53280823) 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, 649726 + ... + 649807.

It is an arithmetic number, because the mean of its divisors is an integer number (13645107).

Almost surely, 2^53280853 is an apocalyptic number.

It is an amenable number.

53280853 is a deficient number, since it is larger than the sum of its proper divisors (1299575).

53280853 is a wasteful number, since it uses less digits than its factorization.

53280853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299574.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 53280853 is about 7299.3734662641. The cubic root of 53280853 is about 376.2909063224.

The spelling of 53280853 in words is "fifty-three million, two hundred eighty thousand, eight hundred fifty-three".