52009500 has 48 divisors (see below), whose sum is σ = 151456032. Its totient is φ = 13868800.

The previous prime is 52009481. The next prime is 52009501. The reversal of 52009500 is 590025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52009501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15837 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (3155334).

Almost surely, 2^52009500 is an apocalyptic number.

52009500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52009500 is an abundant number, since it is smaller than the sum of its proper divisors (99446532).

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

52009500 is a wasteful number, since it uses less digits than its factorization.

52009500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695 (or 34683 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 52009500 is about 7211.7612273286. The cubic root of 52009500 is about 373.2738443336.

Adding to 52009500 its reverse (590025), we get a palindrome (52599525).

The spelling of 52009500 in words is "fifty-two million, nine thousand, five hundred".