501000056 has 32 divisors (see below), whose sum is σ = 1022922000. Its totient is φ = 229130496.

The previous prime is 501000041. The next prime is 501000061. The reversal of 501000056 is 650000105.

It is a super-2 number, since 2×501000056² = 502002112224006272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500999998 and 501000043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52421 + ... + 61236.

Almost surely, 2^501000056 is an apocalyptic number.

It is an amenable number.

501000056 is an abundant number, since it is smaller than the sum of its proper divisors (521921944).

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

501000056 is a wasteful number, since it uses less digits than its factorization.

501000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113711 (or 113707 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 501000056 is about 22383.0305365471. The cubic root of 501000056 is about 794.2293368958.

The spelling of 501000056 in words is "five hundred one million, fifty-six", and thus it is an aban number.