50449172 has 12 divisors (see below), whose sum is σ = 88511220. Its totient is φ = 25160256.

The previous prime is 50449171. The next prime is 50449177. The reversal of 50449172 is 27194405.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23367556 + 27081616 = 4834^2 + 5204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50449171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14297 + ... + 17472.

It is an arithmetic number, because the mean of its divisors is an integer number (7375935).

Almost surely, 2^50449172 is an apocalyptic number.

It is an amenable number.

50449172 is a deficient number, since it is larger than the sum of its proper divisors (38062048).

50449172 is a wasteful number, since it uses less digits than its factorization.

50449172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32170 (or 32168 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 50449172 is about 7102.7580558541. The cubic root of 50449172 is about 369.5030386789.

The spelling of 50449172 in words is "fifty million, four hundred forty-nine thousand, one hundred seventy-two".