50471172 has 18 divisors (see below), whose sum is σ = 127579998. Its totient is φ = 16823712.

The previous prime is 50471159. The next prime is 50471173. The reversal of 50471172 is 27117405.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 4356 = 7104^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (50471173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700953 + ... + 701024.

Almost surely, 2^50471172 is an apocalyptic number.

It is an amenable number.

50471172 is an abundant number, since it is smaller than the sum of its proper divisors (77108826).

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

50471172 is a wasteful number, since it uses less digits than its factorization.

50471172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401987 (or 1401982 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 50471172 is about 7104.3065812224. The cubic root of 50471172 is about 369.5567421403.

Adding to 50471172 its reverse (27117405), we get a palindrome (77588577).

The spelling of 50471172 in words is "fifty million, four hundred seventy-one thousand, one hundred seventy-two".