53253503 has 4 divisors (see below), whose sum is σ = 56386080. Its totient is φ = 50120928.

The previous prime is 53253493. The next prime is 53253509. The reversal of 53253503 is 30535235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30535235 = 5 ⋅6107047.

It is a cyclic number.

It is not a de Polignac number, because 53253503 - 2⁶ = 53253439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53253509) 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, 1566263 + ... + 1566296.

It is an arithmetic number, because the mean of its divisors is an integer number (14096520).

Almost surely, 2^53253503 is an apocalyptic number.

53253503 is a deficient number, since it is larger than the sum of its proper divisors (3132577).

53253503 is a wasteful number, since it uses less digits than its factorization.

53253503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132576.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 53253503 is about 7297.4997773210. The cubic root of 53253503 is about 376.2265097199.

Adding to 53253503 its reverse (30535235), we get a palindrome (83788738).

The spelling of 53253503 in words is "fifty-three million, two hundred fifty-three thousand, five hundred three".