52720250 has 64 divisors (see below), whose sum is σ = 113443200. Its totient is φ = 18144000.

The previous prime is 52720237. The next prime is 52720253. The reversal of 52720250 is 5202725.

52720250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52720253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 51746 + ... + 52754.

It is an arithmetic number, because the mean of its divisors is an integer number (1772550).

Almost surely, 2^52720250 is an apocalyptic number.

52720250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52720250 is an abundant number, since it is smaller than the sum of its proper divisors (60722950).

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

52720250 is a wasteful number, since it uses less digits than its factorization.

52720250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 52720250 is about 7260.8711598540. The cubic root of 52720250 is about 374.9665155287.

Adding to 52720250 its reverse (5202725), we get a palindrome (57922975).

The spelling of 52720250 in words is "fifty-two million, seven hundred twenty thousand, two hundred fifty".