505055124 has 144 divisors (see below), whose sum is σ = 1508835328. Its totient is φ = 139454784.

The previous prime is 505055113. The next prime is 505055129. The reversal of 505055124 is 421550505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1375989 + ... + 1376355.

Almost surely, 2^505055124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505055124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754417664).

505055124 is an abundant number, since it is smaller than the sum of its proper divisors (1003780204).

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

505055124 is a wasteful number, since it uses less digits than its factorization.

505055124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 505055124 is about 22473.4315136785. The cubic root of 505055124 is about 796.3663982430.

The spelling of 505055124 in words is "five hundred five million, fifty-five thousand, one hundred twenty-four".