52271620 has 48 divisors (see below), whose sum is σ = 112565376. Its totient is φ = 20384000.

The previous prime is 52271599. The next prime is 52271633. The reversal of 52271620 is 2617225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185880 + ... + 186160.

It is an arithmetic number, because the mean of its divisors is an integer number (2345112).

Almost surely, 2^52271620 is an apocalyptic number.

It is an amenable number.

52271620 is an abundant number, since it is smaller than the sum of its proper divisors (60293756).

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

52271620 is a wasteful number, since it uses less digits than its factorization.

52271620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52271620 is about 7229.9114794028. The cubic root of 52271620 is about 373.8998750153.

Adding to 52271620 its reverse (2617225), we get a palindrome (54888845).

The spelling of 52271620 in words is "fifty-two million, two hundred seventy-one thousand, six hundred twenty".