52090500 has 288 divisors, whose sum is σ = 195197184. Its totient is φ = 10560000.

The previous prime is 52090483. The next prime is 52090529. The reversal of 52090500 is 509025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1270480 + ... + 1270520.

It is an arithmetic number, because the mean of its divisors is an integer number (677768).

Almost surely, 2^52090500 is an apocalyptic number.

52090500 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 52090500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97598592).

52090500 is an abundant number, since it is smaller than the sum of its proper divisors (143106684).

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

52090500 is a wasteful number, since it uses less digits than its factorization.

52090500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 69 counting only the distinct ones).

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

The square root of 52090500 is about 7217.3748690227. The cubic root of 52090500 is about 373.4675236857.

Adding to 52090500 its reverse (509025), we get a palindrome (52599525).

The spelling of 52090500 in words is "fifty-two million, ninety thousand, five hundred".