53509201 has 4 divisors (see below), whose sum is σ = 55835712. Its totient is φ = 51182692.

The previous prime is 53509163. The next prime is 53509213. The reversal of 53509201 is 10290535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53509201 - 2¹⁹ = 52984913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53509231) 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, 1163221 + ... + 1163266.

It is an arithmetic number, because the mean of its divisors is an integer number (13958928).

Almost surely, 2^53509201 is an apocalyptic number.

It is an amenable number.

53509201 is a deficient number, since it is larger than the sum of its proper divisors (2326511).

53509201 is a wasteful number, since it uses less digits than its factorization.

53509201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326510.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 53509201 is about 7314.9983595350. The cubic root of 53509201 is about 376.8277021336.

Adding to 53509201 its reverse (10290535), we get a palindrome (63799736).

The spelling of 53509201 in words is "fifty-three million, five hundred nine thousand, two hundred one".