52845330 has 32 divisors (see below), whose sum is σ = 127499904. Its totient is φ = 14017536.

The previous prime is 52845311. The next prime is 52845347. The reversal of 52845330 is 3354825.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (3984372).

Almost surely, 2^52845330 is an apocalyptic number.

52845330 is an abundant number, since it is smaller than the sum of its proper divisors (74654574).

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

52845330 is a wasteful number, since it uses less digits than its factorization.

52845330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52845330 is about 7269.4793486191. The cubic root of 52845330 is about 375.2628202029.

The spelling of 52845330 in words is "fifty-two million, eight hundred forty-five thousand, three hundred thirty".