53169505 has 8 divisors (see below), whose sum is σ = 67161600. Its totient is φ = 40296816.

The previous prime is 53169469. The next prime is 53169509. The reversal of 53169505 is 50596135.

53169505 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 a cyclic number.

It is not a de Polignac number, because 53169505 - 2²⁵ = 19615073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53169509) by changing a digit.

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, 279745 + ... + 279934.

It is an arithmetic number, because the mean of its divisors is an integer number (8395200).

Almost surely, 2^53169505 is an apocalyptic number.

It is an amenable number.

53169505 is a deficient number, since it is larger than the sum of its proper divisors (13992095).

53169505 is a wasteful number, since it uses less digits than its factorization.

53169505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559703.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 53169505 is about 7291.7422472273. The cubic root of 53169505 is about 376.0285953241.

The spelling of 53169505 in words is "fifty-three million, one hundred sixty-nine thousand, five hundred five".