52830750 has 128 divisors (see below), whose sum is σ = 156349440. Its totient is φ = 11625600.

The previous prime is 52830737. The next prime is 52830769. The reversal of 52830750 is 5703825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152077 + ... + 152423.

It is an arithmetic number, because the mean of its divisors is an integer number (1221480).

Almost surely, 2^52830750 is an apocalyptic number.

52830750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52830750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78174720).

52830750 is an abundant number, since it is smaller than the sum of its proper divisors (103518690).

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

52830750 is a wasteful number, since it uses less digits than its factorization.

52830750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 52830750 is about 7268.4764565898. The cubic root of 52830750 is about 375.2283054206.

The spelling of 52830750 in words is "fifty-two million, eight hundred thirty thousand, seven hundred fifty".