905500056 has 32 divisors (see below), whose sum is σ = 2265560640. Its totient is φ = 301591968.

The previous prime is 905500051. The next prime is 905500067. The reversal of 905500056 is 650005509.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 905499996 and 905500032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905500051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16935 + ... + 45801.

It is an arithmetic number, because the mean of its divisors is an integer number (70798770).

Almost surely, 2^905500056 is an apocalyptic number.

It is an amenable number.

905500056 is an abundant number, since it is smaller than the sum of its proper divisors (1360060584).

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

905500056 is a wasteful number, since it uses less digits than its factorization.

905500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30183 (or 30179 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 905500056 is about 30091.5279771566. The cubic root of 905500056 is about 967.4521494139.

The spelling of 905500056 in words is "nine hundred five million, five hundred thousand, fifty-six".