53502803 has 4 divisors (see below), whose sum is σ = 56318760. Its totient is φ = 50686848.

The previous prime is 53502769. The next prime is 53502821. The reversal of 53502803 is 30820535.

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

It is a cyclic number.

It is not a de Polignac number, because 53502803 - 2¹⁰ = 53501779 is a prime.

It is a super-3 number, since 3×53502803³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53502833) 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, 1407950 + ... + 1407987.

It is an arithmetic number, because the mean of its divisors is an integer number (14079690).

Almost surely, 2^53502803 is an apocalyptic number.

53502803 is a deficient number, since it is larger than the sum of its proper divisors (2815957).

53502803 is a wasteful number, since it uses less digits than its factorization.

53502803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815956.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53502803 is about 7314.5610257896. The cubic root of 53502803 is about 376.8126826622.

The spelling of 53502803 in words is "fifty-three million, five hundred two thousand, eight hundred three".