53526503 has 4 divisors (see below), whose sum is σ = 53740008. Its totient is φ = 53313000.

The previous prime is 53526461. The next prime is 53526527. The reversal of 53526503 is 30562535.

It is a happy number.

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 53526503 - 2⁸ = 53526247 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 (53526533) 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, 106376 + ... + 106877.

It is an arithmetic number, because the mean of its divisors is an integer number (13435002).

Almost surely, 2^53526503 is an apocalyptic number.

53526503 is a deficient number, since it is larger than the sum of its proper divisors (213505).

53526503 is a wasteful number, since it uses less digits than its factorization.

53526503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213504.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 53526503 is about 7316.1809026295. The cubic root of 53526503 is about 376.8683130328.

The spelling of 53526503 in words is "fifty-three million, five hundred twenty-six thousand, five hundred three".