52807500 has 90 divisors (see below), whose sum is σ = 166874708. Its totient is φ = 14076000.

The previous prime is 52807481. The next prime is 52807529. The reversal of 52807500 is 570825.

It is a happy number.

52807500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (90).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 21327 + ... + 23673.

Almost surely, 2^52807500 is an apocalyptic number.

52807500 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 52807500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83437354).

52807500 is an abundant number, since it is smaller than the sum of its proper divisors (114067208).

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

52807500 is a wasteful number, since it uses less digits than its factorization.

52807500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 52807500 is about 7266.8769082736. The cubic root of 52807500 is about 375.1732532765.

The spelling of 52807500 in words is "fifty-two million, eight hundred seven thousand, five hundred".