52002522 has 96 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 14319360.

The previous prime is 52002521. The next prime is 52002527. The reversal of 52002522 is 22520025.

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

It is a junction number, because it is equal to n+sod(n) for n = 52002495 and 52002504.

It is not an unprimeable number, because it can be changed into a prime (52002521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228973 + ... + 229199.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^52002522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52002522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

52002522 is an abundant number, since it is smaller than the sum of its proper divisors (82444518).

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

52002522 is a wasteful number, since it uses less digits than its factorization.

52002522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52002522 is about 7211.2774180446. The cubic root of 52002522 is about 373.2571498105.

Adding to 52002522 its reverse (22520025), we get a palindrome (74522547).

The spelling of 52002522 in words is "fifty-two million, two thousand, five hundred twenty-two".