52280772 has 24 divisors (see below), whose sum is σ = 122505600. Its totient is φ = 17353056.

The previous prime is 52280749. The next prime is 52280777. The reversal of 52280772 is 27708225.

It is not an unprimeable number, because it can be changed into a prime (52280777) 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, 6247 + ... + 11982.

It is an arithmetic number, because the mean of its divisors is an integer number (5104400).

Almost surely, 2^52280772 is an apocalyptic number.

It is an amenable number.

52280772 is an abundant number, since it is smaller than the sum of its proper divisors (70224828).

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

52280772 is a wasteful number, since it uses less digits than its factorization.

52280772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475 (or 18473 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 52280772 is about 7230.5443778460. The cubic root of 52280772 is about 373.9216952176.

Adding to 52280772 its reverse (27708225), we get a palindrome (79988997).

The spelling of 52280772 in words is "fifty-two million, two hundred eighty thousand, seven hundred seventy-two".