501055056 has 60 divisors (see below), whose sum is σ = 1410433908. Its totient is φ = 166044672.

The previous prime is 501055033. The next prime is 501055063. The reversal of 501055056 is 650550105.

501055056 is a `hidden beast` number, since 50 + 10 + 550 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 236667456 + 264387600 = 15384^2 + 16260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14856 + ... + 34968.

Almost surely, 2^501055056 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 501055056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705216954).

501055056 is an abundant number, since it is smaller than the sum of its proper divisors (909378852).

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

501055056 is a wasteful number, since it uses less digits than its factorization.

501055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300 (or 20291 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 501055056 is about 22384.2591121529. The cubic root of 501055056 is about 794.2583994442.

The spelling of 501055056 in words is "five hundred one million, fifty-five thousand, fifty-six".