52575720 has 32 divisors (see below), whose sum is σ = 157727520. Its totient is φ = 14020160.

The previous prime is 52575703. The next prime is 52575727. The reversal of 52575720 is 2757525.

52575720 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 (52575727) 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 7 ways as a sum of consecutive naturals, for example, 218946 + ... + 219185.

It is an arithmetic number, because the mean of its divisors is an integer number (4928985).

Almost surely, 2^52575720 is an apocalyptic number.

It is an amenable number.

52575720 is an abundant number, since it is smaller than the sum of its proper divisors (105151800).

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

52575720 is a wasteful number, since it uses less digits than its factorization.

52575720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438145 (or 438141 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 52575720 is about 7250.9116668182. The cubic root of 52575720 is about 374.6235511120.

It can be divided in two parts, 525 and 75720, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 52575720 in words is "fifty-two million, five hundred seventy-five thousand, seven hundred twenty".