50911200 has 144 divisors (see below), whose sum is σ = 184206960. Its totient is φ = 13570560.

The previous prime is 50911193. The next prime is 50911219. The reversal of 50911200 is 211905.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20422 + ... + 22778.

It is an arithmetic number, because the mean of its divisors is an integer number (1279215).

Almost surely, 2^50911200 is an apocalyptic number.

50911200 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 50911200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92103480).

50911200 is an abundant number, since it is smaller than the sum of its proper divisors (133295760).

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

50911200 is a wasteful number, since it uses less digits than its factorization.

50911200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 50911200 is about 7135.2084762815. The cubic root of 50911200 is about 370.6276175301.

The spelling of 50911200 in words is "fifty million, nine hundred eleven thousand, two hundred".