506255577 has 16 divisors (see below), whose sum is σ = 703200960. Its totient is φ = 323686400.

The previous prime is 506255573. The next prime is 506255593. The reversal of 506255577 is 775552605.

It is a cyclic number.

It is not a de Polignac number, because 506255577 - 2² = 506255573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506255573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27624 + ... + 42137.

It is an arithmetic number, because the mean of its divisors is an integer number (43950060).

Almost surely, 2^506255577 is an apocalyptic number.

It is an amenable number.

506255577 is a deficient number, since it is larger than the sum of its proper divisors (196945383).

506255577 is a wasteful number, since it uses less digits than its factorization.

506255577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69864.

The product of its (nonzero) digits is 367500, while the sum is 42.

The square root of 506255577 is about 22500.1239329920. The cubic root of 506255577 is about 796.9968535166.

The spelling of 506255577 in words is "five hundred six million, two hundred fifty-five thousand, five hundred seventy-seven".