52003170 has 96 divisors (see below), whose sum is σ = 146830320. Its totient is φ = 12718080.

The previous prime is 52003163. The next prime is 52003181. The reversal of 52003170 is 7130025.

It can be written as a sum of positive squares in 8 ways, for example, as 17464041 + 34539129 = 4179^2 + 5877^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62316 + ... + 63144.

Almost surely, 2^52003170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52003170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73415160).

52003170 is an abundant number, since it is smaller than the sum of its proper divisors (94827150).

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

52003170 is a wasteful number, since it uses less digits than its factorization.

52003170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 52003170 is about 7211.3223475310. The cubic root of 52003170 is about 373.2587001817.

Adding to 52003170 its reverse (7130025), we get a palindrome (59133195).

The spelling of 52003170 in words is "fifty-two million, three thousand, one hundred seventy".