53250401 has 4 divisors (see below), whose sum is σ = 53265600. Its totient is φ = 53235204.

The previous prime is 53250397. The next prime is 53250413. The reversal of 53250401 is 10405235.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10405235 = 5 ⋅2081047.

It is a cyclic number.

It is not a de Polignac number, because 53250401 - 2² = 53250397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53250101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (13316400).

Almost surely, 2^53250401 is an apocalyptic number.

It is an amenable number.

53250401 is a deficient number, since it is larger than the sum of its proper divisors (15199).

53250401 is an equidigital number, since it uses as much as digits as its factorization.

53250401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15198.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53250401 is about 7297.2872356787. The cubic root of 53250401 is about 376.2192045523.

Adding to 53250401 its reverse (10405235), we get a palindrome (63655636).

The spelling of 53250401 in words is "fifty-three million, two hundred fifty thousand, four hundred one".