50517272 has 32 divisors (see below), whose sum is σ = 103691280. Its totient is φ = 22930560.

The previous prime is 50517253. The next prime is 50517283. The reversal of 50517272 is 27271505.

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, 2363 + ... + 10325.

Almost surely, 2^50517272 is an apocalyptic number.

50517272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50517272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51845640).

50517272 is an abundant number, since it is smaller than the sum of its proper divisors (53174008).

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

50517272 is a wasteful number, since it uses less digits than its factorization.

50517272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043 (or 8039 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 50517272 is about 7107.5503515628. The cubic root of 50517272 is about 369.6692247104.

Adding to 50517272 its reverse (27271505), we get a palindrome (77788777).

The spelling of 50517272 in words is "fifty million, five hundred seventeen thousand, two hundred seventy-two".