506555137 has 8 divisors (see below), whose sum is σ = 585112032. Its totient is φ = 433416000.

The previous prime is 506555129. The next prime is 506555141. The reversal of 506555137 is 731555605.

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

It is a cyclic number.

It is not a de Polignac number, because 506555137 - 2³ = 506555129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506555096 and 506555105.

It is not an unprimeable number, because it can be changed into a prime (506555177) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1354239 + ... + 1354612.

It is an arithmetic number, because the mean of its divisors is an integer number (73139004).

Almost surely, 2^506555137 is an apocalyptic number.

It is an amenable number.

506555137 is a deficient number, since it is larger than the sum of its proper divisors (78556895).

506555137 is a wasteful number, since it uses less digits than its factorization.

506555137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708879.

The product of its (nonzero) digits is 78750, while the sum is 37.

The square root of 506555137 is about 22506.7798007623. The cubic root of 506555137 is about 797.1540213671.

The spelling of 506555137 in words is "five hundred six million, five hundred fifty-five thousand, one hundred thirty-seven".