506755387 has 8 divisors (see below), whose sum is σ = 519429680. Its totient is φ = 494121600.

The previous prime is 506755369. The next prime is 506755391. The reversal of 506755387 is 783557605.

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

It is not a de Polignac number, because 506755387 - 2⁷ = 506755259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506755687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16039 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (64928710).

Almost surely, 2^506755387 is an apocalyptic number.

506755387 is a deficient number, since it is larger than the sum of its proper divisors (12674293).

506755387 is a wasteful number, since it uses less digits than its factorization.

506755387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 506755387 is about 22511.2280207011. The cubic root of 506755387 is about 797.2590504487.

The spelling of 506755387 in words is "five hundred six million, seven hundred fifty-five thousand, three hundred eighty-seven".