52521010 has 32 divisors (see below), whose sum is σ = 96390000. Its totient is φ = 20601600.

The previous prime is 52520981. The next prime is 52521047. The reversal of 52521010 is 1012525.

It can be written as a sum of positive squares in 8 ways, for example, as 32798529 + 19722481 = 5727^2 + 4441^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150316 + ... + 150664.

Almost surely, 2^52521010 is an apocalyptic number.

52521010 is a deficient number, since it is larger than the sum of its proper divisors (43868990).

52521010 is a wasteful number, since it uses less digits than its factorization.

52521010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52521010 is about 7247.1380558121. The cubic root of 52521010 is about 374.4935622894.

Adding to 52521010 its reverse (1012525), we get a palindrome (53533535).

The spelling of 52521010 in words is "fifty-two million, five hundred twenty-one thousand, ten".