52502550 has 48 divisors (see below), whose sum is σ = 133397712. Its totient is φ = 13657600.

The previous prime is 52502539. The next prime is 52502587. The reversal of 52502550 is 5520525.

It is a self number, because there is not a number n which added to its sum of digits gives 52502550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1882 + ... + 10418.

It is an arithmetic number, because the mean of its divisors is an integer number (2779119).

Almost surely, 2^52502550 is an apocalyptic number.

52502550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52502550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66698856).

52502550 is an abundant number, since it is smaller than the sum of its proper divisors (80895162).

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

52502550 is a wasteful number, since it uses less digits than its factorization.

52502550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593 (or 8588 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 52502550 is about 7245.8643376757. The cubic root of 52502550 is about 374.4496816833.

The spelling of 52502550 in words is "fifty-two million, five hundred two thousand, five hundred fifty".