50525172 has 72 divisors (see below), whose sum is σ = 132228096. Its totient is φ = 16257024.

The previous prime is 50525159. The next prime is 50525177. The reversal of 50525172 is 27152505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50525177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196468 + ... + 196724.

Almost surely, 2^50525172 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 50525172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66114048).

50525172 is an abundant number, since it is smaller than the sum of its proper divisors (81702924).

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

50525172 is a wasteful number, since it uses less digits than its factorization.

50525172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 50525172 is about 7108.1060768675. The cubic root of 50525172 is about 369.6884935963.

Adding to 50525172 its reverse (27152505), we get a palindrome (77677677).

The spelling of 50525172 in words is "fifty million, five hundred twenty-five thousand, one hundred seventy-two".