52185505 has 16 divisors (see below), whose sum is σ = 65971584. Its totient is φ = 39550720.

The previous prime is 52185499. The next prime is 52185521. The reversal of 52185505 is 50558125.

It is not a de Polignac number, because 52185505 - 2⁵ = 52185473 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10185 + ... + 14425.

It is an arithmetic number, because the mean of its divisors is an integer number (4123224).

Almost surely, 2^52185505 is an apocalyptic number.

It is an amenable number.

52185505 is a deficient number, since it is larger than the sum of its proper divisors (13786079).

52185505 is a wasteful number, since it uses less digits than its factorization.

52185505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 52185505 is about 7223.9535574365. The cubic root of 52185505 is about 373.6944347547.

The spelling of 52185505 in words is "fifty-two million, one hundred eighty-five thousand, five hundred five".