53910503 has 4 divisors (see below), whose sum is σ = 54254040. Its totient is φ = 53566968.

The previous prime is 53910491. The next prime is 53910511. The reversal of 53910503 is 30501935.

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 53910503 - 2¹⁸ = 53648359 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 (53910523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171533 + ... + 171846.

It is an arithmetic number, because the mean of its divisors is an integer number (13563510).

Almost surely, 2^53910503 is an apocalyptic number.

53910503 is a deficient number, since it is larger than the sum of its proper divisors (343537).

53910503 is a wasteful number, since it uses less digits than its factorization.

53910503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343536.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 53910503 is about 7342.3772036037. The cubic root of 53910503 is about 377.7673862546.

The spelling of 53910503 in words is "fifty-three million, nine hundred ten thousand, five hundred three".