53421201 has 10 divisors (see below), whose sum is σ = 79802162. Its totient is φ = 35614080.

The previous prime is 53421169. The next prime is 53421209. The reversal of 53421201 is 10212435.

It can be written as a sum of positive squares in only one way, i.e., 32764176 + 20657025 = 5724^2 + 4545^2 .

It is not a de Polignac number, because 53421201 - 2⁵ = 53421169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53421209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 329680 + ... + 329841.

Almost surely, 2^53421201 is an apocalyptic number.

It is an amenable number.

53421201 is a deficient number, since it is larger than the sum of its proper divisors (26380961).

53421201 is an equidigital number, since it uses as much as digits as its factorization.

53421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659533 (or 659524 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 53421201 is about 7308.9808455078. The cubic root of 53421201 is about 376.6210147333.

Adding to 53421201 its reverse (10212435), we get a palindrome (63633636).

The spelling of 53421201 in words is "fifty-three million, four hundred twenty-one thousand, two hundred one".