53250453 has 10 divisors (see below), whose sum is σ = 79547094. Its totient is φ = 35500248.

The previous prime is 53250427. The next prime is 53250487. The reversal of 53250453 is 35405235.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 9253764 = 6633^2 + 3042^2 .

It is not a de Polignac number, because 53250453 - 2¹⁰ = 53249429 is a prime.

It is a super-2 number, since 2×53250453² = 5671221489410418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53250413) 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, 328626 + ... + 328787.

Almost surely, 2^53250453 is an apocalyptic number.

It is an amenable number.

53250453 is a deficient number, since it is larger than the sum of its proper divisors (26296641).

53250453 is an equidigital number, since it uses as much as digits as its factorization.

53250453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657425 (or 657416 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53250453 is about 7297.2907986458. The cubic root of 53250453 is about 376.2193270139.

Adding to 53250453 its reverse (35405235), we get a palindrome (88655688).

The spelling of 53250453 in words is "fifty-three million, two hundred fifty thousand, four hundred fifty-three".