508055128 has 24 divisors (see below), whose sum is σ = 1108131300. Its totient is φ = 217737744.

The previous prime is 508055123. The next prime is 508055131. The reversal of 508055128 is 821550805.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 508055093 and 508055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508055123) 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 5 ways as a sum of consecutive naturals, for example, 647638 + ... + 648421.

Almost surely, 2^508055128 is an apocalyptic number.

It is an amenable number.

508055128 is an abundant number, since it is smaller than the sum of its proper divisors (600076172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508055128 is a wasteful number, since it uses less digits than its factorization.

508055128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296079 (or 1296068 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 508055128 is about 22540.0782607337. The cubic root of 508055128 is about 797.9400796293.

The spelling of 508055128 in words is "five hundred eight million, fifty-five thousand, one hundred twenty-eight".