52807730 has 8 divisors (see below), whose sum is σ = 95053932. Its totient is φ = 21123088.

The previous prime is 52807723. The next prime is 52807739. The reversal of 52807730 is 3770825.

It can be written as a sum of positive squares in 2 ways, for example, as 51222649 + 1585081 = 7157^2 + 1259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52807739) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2640377 + ... + 2640396.

Almost surely, 2^52807730 is an apocalyptic number.

52807730 is a deficient number, since it is larger than the sum of its proper divisors (42246202).

52807730 is a wasteful number, since it uses less digits than its factorization.

52807730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280780.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 52807730 is about 7266.8927334866. The cubic root of 52807730 is about 375.1737979575.

The spelling of 52807730 in words is "fifty-two million, eight hundred seven thousand, seven hundred thirty".