52730064 has 30 divisors (see below), whose sum is σ = 147571346. Its totient is φ = 17576640.

The previous prime is 52730023. The next prime is 52730089. The reversal of 52730064 is 46003725.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 2433600 = 7092^2 + 1560^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182947 + ... + 183234.

Almost surely, 2^52730064 is an apocalyptic number.

It is an amenable number.

52730064 is an abundant number, since it is smaller than the sum of its proper divisors (94841282).

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

52730064 is a wasteful number, since it uses less digits than its factorization.

52730064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366195 (or 366186 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52730064 is about 7261.5469426287. The cubic root of 52730064 is about 374.9897810549.

Adding to 52730064 its reverse (46003725), we get a palindrome (98733789).

The spelling of 52730064 in words is "fifty-two million, seven hundred thirty thousand, sixty-four".