52170112 has 16 divisors (see below), whose sum is σ = 103932900. Its totient is φ = 26084992.

The previous prime is 52170103. The next prime is 52170113. The reversal of 52170112 is 21107125.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 52170112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203662 + ... + 203917.

Almost surely, 2^52170112 is an apocalyptic number.

It is an amenable number.

52170112 is a deficient number, since it is larger than the sum of its proper divisors (51762788).

52170112 is an equidigital number, since it uses as much as digits as its factorization.

52170112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407593 (or 407581 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 52170112 is about 7222.8880650333. Note that the first 3 decimals coincide. The cubic root of 52170112 is about 373.6576886372.

Adding to 52170112 its reverse (21107125), we get a palindrome (73277237).

The spelling of 52170112 in words is "fifty-two million, one hundred seventy thousand, one hundred twelve".