52530370 has 16 divisors (see below), whose sum is σ = 95424120. Its totient is φ = 20818944.

The previous prime is 52530353. The next prime is 52530371. The reversal of 52530370 is 7303525.

It can be written as a sum of positive squares in 4 ways, for example, as 49744809 + 2785561 = 7053^2 + 1669^2 .

It is not an unprimeable number, because it can be changed into a prime (52530371) 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, 23007 + ... + 25186.

Almost surely, 2^52530370 is an apocalyptic number.

52530370 is a deficient number, since it is larger than the sum of its proper divisors (42893750).

52530370 is a wasteful number, since it uses less digits than its factorization.

52530370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48309.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 52530370 is about 7247.7837992037. The cubic root of 52530370 is about 374.5158076825.

Adding to 52530370 its reverse (7303525), we get a palindrome (59833895).

It can be divided in two parts, 52530 and 370, that added together give a square (52900 = 230²).

The spelling of 52530370 in words is "fifty-two million, five hundred thirty thousand, three hundred seventy".