53549505 has 40 divisors (see below), whose sum is σ = 101059200. Its totient is φ = 27052704.

The previous prime is 53549449. The next prime is 53549533. The reversal of 53549505 is 50594535.

It is not a de Polignac number, because 53549505 - 2¹² = 53545409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53549505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4216 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (2526480).

Almost surely, 2^53549505 is an apocalyptic number.

It is an amenable number.

53549505 is a deficient number, since it is larger than the sum of its proper divisors (47509695).

53549505 is a wasteful number, since it uses less digits than its factorization.

53549505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 53549505 is about 7317.7527288096. The cubic root of 53549505 is about 376.9222893062.

The spelling of 53549505 in words is "fifty-three million, five hundred forty-nine thousand, five hundred five".