53536503 has 4 divisors (see below), whose sum is σ = 71382008. Its totient is φ = 35691000.

The previous prime is 53536499. The next prime is 53536507. The reversal of 53536503 is 30563535.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53536499) and next prime (53536507).

It is not a de Polignac number, because 53536503 - 2² = 53536499 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 (53536507) 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, 8922748 + ... + 8922753.

It is an arithmetic number, because the mean of its divisors is an integer number (17845502).

Almost surely, 2^53536503 is an apocalyptic number.

53536503 is a deficient number, since it is larger than the sum of its proper divisors (17845505).

53536503 is a wasteful number, since it uses less digits than its factorization.

53536503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845504.

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 53536503 is about 7316.8642873843. The cubic root of 53536503 is about 376.8917808369.

The spelling of 53536503 in words is "fifty-three million, five hundred thirty-six thousand, five hundred three".