52271040 has 56 divisors (see below), whose sum is σ = 165963600. Its totient is φ = 13938688.

The previous prime is 52271029. The next prime is 52271057. The reversal of 52271040 is 4017225.

52271040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52270998 and 52271016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26265 + ... + 28184.

Almost surely, 2^52271040 is an apocalyptic number.

It is an amenable number.

52271040 is an abundant number, since it is smaller than the sum of its proper divisors (113692560).

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

52271040 is a wasteful number, since it uses less digits than its factorization.

52271040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54469 (or 54459 counting only the distinct ones).

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

The square root of 52271040 is about 7229.8713681503. The cubic root of 52271040 is about 373.8984920933.

Adding to 52271040 its reverse (4017225), we get a palindrome (56288265).

The spelling of 52271040 in words is "fifty-two million, two hundred seventy-one thousand, forty".