52138170 has 48 divisors (see below), whose sum is σ = 154926720. Its totient is φ = 11917152.

The previous prime is 52138169. The next prime is 52138189. The reversal of 52138170 is 7183125.

52138170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 40750 + ... + 42009.

It is an arithmetic number, because the mean of its divisors is an integer number (3227640).

Almost surely, 2^52138170 is an apocalyptic number.

52138170 is an abundant number, since it is smaller than the sum of its proper divisors (102788550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52138170 is a wasteful number, since it uses less digits than its factorization.

52138170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82779 (or 82776 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 52138170 is about 7220.6765610987. The cubic root of 52138170 is about 373.5814137348.

The spelling of 52138170 in words is "fifty-two million, one hundred thirty-eight thousand, one hundred seventy".