53505265 has 8 divisors (see below), whose sum is σ = 70043328. Its totient is φ = 38912880.

The previous prime is 53505259. The next prime is 53505281. The reversal of 53505265 is 56250535.

53505265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53505265 - 2⁵ = 53505233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486357 + ... + 486466.

It is an arithmetic number, because the mean of its divisors is an integer number (8755416).

Almost surely, 2^53505265 is an apocalyptic number.

53505265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53505265 is a deficient number, since it is larger than the sum of its proper divisors (16538063).

53505265 is a wasteful number, since it uses less digits than its factorization.

53505265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972839.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 53505265 is about 7314.7293183002. The cubic root of 53505265 is about 376.8184624129.

The spelling of 53505265 in words is "fifty-three million, five hundred five thousand, two hundred sixty-five".