52506500 has 48 divisors (see below), whose sum is σ = 120731520. Its totient is φ = 19893600.

The previous prime is 52506463. The next prime is 52506511. The reversal of 52506500 is 560525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6737 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (2515240).

Almost surely, 2^52506500 is an apocalyptic number.

52506500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52506500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60365760).

52506500 is an abundant number, since it is smaller than the sum of its proper divisors (68225020).

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

52506500 is a wasteful number, since it uses less digits than its factorization.

52506500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52506500 is about 7246.1369018257. The cubic root of 52506500 is about 374.4590719520.

The spelling of 52506500 in words is "fifty-two million, five hundred six thousand, five hundred".