50005512 has 96 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 16075584.

The previous prime is 50005507. The next prime is 50005531. The reversal of 50005512 is 21550005.

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

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, 55933 + ... + 56819.

It is an arithmetic number, because the mean of its divisors is an integer number (1515150).

Almost surely, 2^50005512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50005512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72727200).

50005512 is an abundant number, since it is smaller than the sum of its proper divisors (95448888).

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

50005512 is a wasteful number, since it uses less digits than its factorization.

50005512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 50005512 is about 7071.4575583821. The cubic root of 50005512 is about 368.4166869544.

Adding to 50005512 its reverse (21550005), we get a palindrome (71555517).

The spelling of 50005512 in words is "fifty million, five thousand, five hundred twelve".