52532402 has 8 divisors (see below), whose sum is σ = 84860076. Its totient is φ = 24245712.

The previous prime is 52532327. The next prime is 52532419. The reversal of 52532402 is 20423525.

It can be written as a sum of positive squares in 2 ways, for example, as 44742721 + 7789681 = 6689^2 + 2791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010213 + ... + 1010264.

Almost surely, 2^52532402 is an apocalyptic number.

52532402 is a deficient number, since it is larger than the sum of its proper divisors (32327674).

52532402 is a wasteful number, since it uses less digits than its factorization.

52532402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020492.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52532402 is about 7247.9239786300. The cubic root of 52532402 is about 374.5206366751.

Adding to 52532402 its reverse (20423525), we get a palindrome (72955927).

The spelling of 52532402 in words is "fifty-two million, five hundred thirty-two thousand, four hundred two".