53250361 has 4 divisors (see below), whose sum is σ = 53979892. Its totient is φ = 52520832.

The previous prime is 53250347. The next prime is 53250367. The reversal of 53250361 is 16305235.

It is a happy number.

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 12033961 + 41216400 = 3469^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 53250361 - 2¹¹ = 53248313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53250367) 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, 364656 + ... + 364801.

It is an arithmetic number, because the mean of its divisors is an integer number (13494973).

Almost surely, 2^53250361 is an apocalyptic number.

It is an amenable number.

53250361 is a deficient number, since it is larger than the sum of its proper divisors (729531).

53250361 is an equidigital number, since it uses as much as digits as its factorization.

53250361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729530.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53250361 is about 7297.2844949337. The cubic root of 53250361 is about 376.2191103510.

Adding to 53250361 its reverse (16305235), we get a palindrome (69555596).

The spelling of 53250361 in words is "fifty-three million, two hundred fifty thousand, three hundred sixty-one".