52783730 has 8 divisors (see below), whose sum is σ = 95010732. Its totient is φ = 21113488.

The previous prime is 52783693. The next prime is 52783789. The reversal of 52783730 is 3738725.

52783730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52432081 + 351649 = 7241^2 + 593^2 .

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

It is a super-2 number, since 2×52783730² = 5572244305425800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2639177 + ... + 2639196.

Almost surely, 2^52783730 is an apocalyptic number.

52783730 is a deficient number, since it is larger than the sum of its proper divisors (42227002).

52783730 is a wasteful number, since it uses less digits than its factorization.

52783730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278380.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 52783730 is about 7265.2412210470. The cubic root of 52783730 is about 375.1169531511.

The spelling of 52783730 in words is "fifty-two million, seven hundred eighty-three thousand, seven hundred thirty".