50805900 has 144 divisors (see below), whose sum is σ = 168878080. Its totient is φ = 13089600.

The previous prime is 50805889. The next prime is 50805947. The reversal of 50805900 is 950805.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83397 + ... + 84003.

Almost surely, 2^50805900 is an apocalyptic number.

50805900 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 50805900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84439040).

50805900 is an abundant number, since it is smaller than the sum of its proper divisors (118072180).

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

50805900 is a wasteful number, since it uses less digits than its factorization.

50805900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 50805900 is about 7127.8257554460. The cubic root of 50805900 is about 370.3719172405.

The spelling of 50805900 in words is "fifty million, eight hundred five thousand, nine hundred".