52310000 has 50 divisors (see below), whose sum is σ = 126671952. Its totient is φ = 20920000.

The previous prime is 52309991. The next prime is 52310023. The reversal of 52310000 is 1325.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×52310000² = 5472672200000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7385 + ... + 12615.

Almost surely, 2^52310000 is an apocalyptic number.

52310000 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 52310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63335976).

52310000 is an abundant number, since it is smaller than the sum of its proper divisors (74361952).

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

52310000 is an equidigital number, since it uses as much as digits as its factorization.

52310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 52310000 is about 7232.5652433974. The cubic root of 52310000 is about 373.9913635799.

Adding to 52310000 its reverse (1325), we get a palindrome (52311325).

The spelling of 52310000 in words is "fifty-two million, three hundred ten thousand".