52185550 has 24 divisors (see below), whose sum is σ = 97259400. Its totient is φ = 20832480.

The previous prime is 52185521. The next prime is 52185569. The reversal of 52185550 is 5558125.

52185550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 40821 + ... + 42079.

It is an arithmetic number, because the mean of its divisors is an integer number (4052475).

Almost surely, 2^52185550 is an apocalyptic number.

52185550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52185550 is a deficient number, since it is larger than the sum of its proper divisors (45073850).

52185550 is a wasteful number, since it uses less digits than its factorization.

52185550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2095 counting only the distinct ones).

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

The square root of 52185550 is about 7223.9566720738. The cubic root of 52185550 is about 373.6945421680.

The spelling of 52185550 in words is "fifty-two million, one hundred eighty-five thousand, five hundred fifty".