52857530 has 32 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 19077120.

The previous prime is 52857523. The next prime is 52857547. The reversal of 52857530 is 3575825.

52857530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 13562 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 2^52857530 is an apocalyptic number.

52857530 is a deficient number, since it is larger than the sum of its proper divisors (51712390).

52857530 is a wasteful number, since it uses less digits than its factorization.

52857530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 52857530 is about 7270.3184249385. The cubic root of 52857530 is about 375.2916960066.

The spelling of 52857530 in words is "fifty-two million, eight hundred fifty-seven thousand, five hundred thirty".