50501000 has 64 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 18360000.

The previous prime is 50500981. The next prime is 50501021. The reversal of 50501000 is 10505.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8705 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^50501000 is an apocalyptic number.

50501000 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 50501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64471680).

50501000 is an abundant number, since it is smaller than the sum of its proper divisors (78442360).

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

50501000 is a wasteful number, since it uses less digits than its factorization.

50501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 50501000 is about 7106.4055611821. The cubic root of 50501000 is about 369.6295293524.

Adding to 50501000 its reverse (10505), we get a palindrome (50511505).

The spelling of 50501000 in words is "fifty million, five hundred one thousand".