50511172 has 12 divisors (see below), whose sum is σ = 89844076. Its totient is φ = 24841440.

The previous prime is 50511143. The next prime is 50511191. The reversal of 50511172 is 27111505.

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 40373316 = 3184^2 + 6354^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 103263 + ... + 103750.

Almost surely, 2^50511172 is an apocalyptic number.

It is an amenable number.

50511172 is a deficient number, since it is larger than the sum of its proper divisors (39332904).

50511172 is a wasteful number, since it uses less digits than its factorization.

50511172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207078 (or 207076 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 50511172 is about 7107.1212174832. The cubic root of 50511172 is about 369.6543448290.

Adding to 50511172 its reverse (27111505), we get a palindrome (77622677).

The spelling of 50511172 in words is "fifty million, five hundred eleven thousand, one hundred seventy-two".