50512224 has 48 divisors (see below), whose sum is σ = 151538688. Its totient is φ = 14431872.

The previous prime is 50512211. The next prime is 50512249. The reversal of 50512224 is 42221505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 50512224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36912 + ... + 38255.

It is an arithmetic number, because the mean of its divisors is an integer number (3157056).

Almost surely, 2^50512224 is an apocalyptic number.

It is an amenable number.

50512224 is an abundant number, since it is smaller than the sum of its proper divisors (101026464).

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

50512224 is a wasteful number, since it uses less digits than its factorization.

50512224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75187 (or 75179 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 50512224 is about 7107.1952273735. The cubic root of 50512224 is about 369.6569110842.

Adding to 50512224 its reverse (42221505), we get a palindrome (92733729).

The spelling of 50512224 in words is "fifty million, five hundred twelve thousand, two hundred twenty-four".