50817000 has 128 divisors (see below), whose sum is σ = 170876160. Its totient is φ = 12499200.

The previous prime is 50816993. The next prime is 50817031. The reversal of 50817000 is 71805.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38349 + ... + 39651.

It is an arithmetic number, because the mean of its divisors is an integer number (1334970).

Almost surely, 2^50817000 is an apocalyptic number.

50817000 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 50817000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85438080).

50817000 is an abundant number, since it is smaller than the sum of its proper divisors (120059160).

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

50817000 is a wasteful number, since it uses less digits than its factorization.

50817000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 50817000 is about 7128.6043514842. The cubic root of 50817000 is about 370.3988880511.

Adding to 50817000 its reverse (71805), we get a palindrome (50888805).

The spelling of 50817000 in words is "fifty million, eight hundred seventeen thousand".