50911000 has 96 divisors (see below), whose sum is σ = 138715200. Its totient is φ = 17438400.

The previous prime is 50910991. The next prime is 50911033. The reversal of 50911000 is 11905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48481 + ... + 49519.

It is an arithmetic number, because the mean of its divisors is an integer number (1444950).

Almost surely, 2^50911000 is an apocalyptic number.

50911000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50911000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69357600).

50911000 is an abundant number, since it is smaller than the sum of its proper divisors (87804200).

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

50911000 is a wasteful number, since it uses less digits than its factorization.

50911000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 50911000 is about 7135.1944612603. The cubic root of 50911000 is about 370.6271322039.

Adding to 50911000 its reverse (11905), we get a palindrome (50922905).

The spelling of 50911000 in words is "fifty million, nine hundred eleven thousand".