52003416 has 48 divisors (see below), whose sum is σ = 133360200. Its totient is φ = 16898560.

The previous prime is 52003397. The next prime is 52003417. The reversal of 52003416 is 61430025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52003392 and 52003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39700 + ... + 40988.

Almost surely, 2^52003416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52003416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66680100).

52003416 is an abundant number, since it is smaller than the sum of its proper divisors (81356784).

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

52003416 is a wasteful number, since it uses less digits than its factorization.

52003416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52003416 is about 7211.3394040220. The cubic root of 52003416 is about 373.2592887451.

The spelling of 52003416 in words is "fifty-two million, three thousand, four hundred sixteen".