52120272 has 40 divisors (see below), whose sum is σ = 138287776. Its totient is φ = 16903296.

The previous prime is 52120267. The next prime is 52120273. The reversal of 52120272 is 27202125.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12898 + ... + 16449.

Almost surely, 2^52120272 is an apocalyptic number.

It is an amenable number.

52120272 is an abundant number, since it is smaller than the sum of its proper divisors (86167504).

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

52120272 is a wasteful number, since it uses less digits than its factorization.

52120272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29395 (or 29389 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52120272 is about 7219.4370971704. The cubic root of 52120272 is about 373.5386611450.

Adding to 52120272 its reverse (27202125), we get a palindrome (79322397).

The spelling of 52120272 in words is "fifty-two million, one hundred twenty thousand, two hundred seventy-two".