53501453 has 4 divisors (see below), whose sum is σ = 54378588. Its totient is φ = 52624320.

The previous prime is 53501429. The next prime is 53501471. The reversal of 53501453 is 35410535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35410535 = 5 ⋅7082107.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 45333289 = 2858^2 + 6733^2 .

It is a cyclic number.

It is not a de Polignac number, because 53501453 - 2⁶ = 53501389 is a prime.

It is a super-2 number, since 2×53501453² = 5724810946222418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501153) 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, 438476 + ... + 438597.

It is an arithmetic number, because the mean of its divisors is an integer number (13594647).

Almost surely, 2^53501453 is an apocalyptic number.

It is an amenable number.

53501453 is a deficient number, since it is larger than the sum of its proper divisors (877135).

53501453 is an equidigital number, since it uses as much as digits as its factorization.

53501453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877134.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 53501453 is about 7314.4687435247. The cubic root of 53501453 is about 376.8095133491.

Adding to 53501453 its reverse (35410535), we get a palindrome (88911988).

The spelling of 53501453 in words is "fifty-three million, five hundred one thousand, four hundred fifty-three".