52805500 has 48 divisors (see below), whose sum is σ = 125824608. Its totient is φ = 19200000.

The previous prime is 52805479. The next prime is 52805521. The reversal of 52805500 is 550825.

It is an interprime number because it is at equal distance from previous prime (52805479) and next prime (52805521).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (2621346).

Almost surely, 2^52805500 is an apocalyptic number.

52805500 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 52805500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62912304).

52805500 is an abundant number, since it is smaller than the sum of its proper divisors (73019108).

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

52805500 is a wasteful number, since it uses less digits than its factorization.

52805500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631 (or 9619 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 52805500 is about 7266.7392962731. The cubic root of 52805500 is about 375.1685168534.

The spelling of 52805500 in words is "fifty-two million, eight hundred five thousand, five hundred".