506247655 has 8 divisors (see below), whose sum is σ = 607620384. Its totient is φ = 404916000.

The previous prime is 506247631. The next prime is 506247661. The reversal of 506247655 is 556742605.

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

It is not a de Polignac number, because 506247655 - 2²⁷ = 372029927 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 35005 + ... + 47305.

It is an arithmetic number, because the mean of its divisors is an integer number (75952548).

Almost surely, 2^506247655 is an apocalyptic number.

506247655 is a deficient number, since it is larger than the sum of its proper divisors (101372729).

506247655 is a wasteful number, since it uses less digits than its factorization.

506247655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 506247655 is about 22499.9478888285. The cubic root of 506247655 is about 796.9926963002.

The spelling of 506247655 in words is "five hundred six million, two hundred forty-seven thousand, six hundred fifty-five".