506555156 has 12 divisors (see below), whose sum is σ = 886632768. Its totient is φ = 253231512.

The previous prime is 506555141. The next prime is 506555177. The reversal of 506555156 is 651555605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29285 + ... + 43251.

It is an arithmetic number, because the mean of its divisors is an integer number (73886064).

Almost surely, 2^506555156 is an apocalyptic number.

It is an amenable number.

506555156 is a deficient number, since it is larger than the sum of its proper divisors (380077612).

506555156 is a wasteful number, since it uses less digits than its factorization.

506555156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038 (or 23036 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 506555156 is about 22506.7802228573. The cubic root of 506555156 is about 797.1540313337.

The spelling of 506555156 in words is "five hundred six million, five hundred fifty-five thousand, one hundred fifty-six".