52730380 has 24 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 20411520.

The previous prime is 52730303. The next prime is 52730401. The reversal of 52730380 is 8303725.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41905 + ... + 43144.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^52730380 is an apocalyptic number.

It is an amenable number.

52730380 is an abundant number, since it is smaller than the sum of its proper divisors (61576820).

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

52730380 is a wasteful number, since it uses less digits than its factorization.

52730380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85089 (or 85087 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 52730380 is about 7261.5687010453. The cubic root of 52730380 is about 374.9905301312.

The spelling of 52730380 in words is "fifty-two million, seven hundred thirty thousand, three hundred eighty".