52009539136 has 63 divisors (see below), whose sum is σ = 106996837441. Its totient is φ = 25082511104.

The previous prime is 52009539091. The next prime is 52009539149. The reversal of 52009539136 is 63193590025.

The square root of 52009539136 is 228056.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27272540736 + 24736998400 = 165144^2 + 157280^2 .

It is a super-2 number, since 2×52009539136² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52009539092 and 52009539101.

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 8 ways as a sum of consecutive naturals, for example, 52908501 + ... + 52909483.

Almost surely, 2^52009539136 is an apocalyptic number.

52009539136 is the 228056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52009539136

52009539136 is an abundant number, since it is smaller than the sum of its proper divisors (54987298305).

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

52009539136 is an frugal number, since it uses more digits than its factorization.

52009539136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The spelling of 52009539136 in words is "fifty-two billion, nine million, five hundred thirty-nine thousand, one hundred thirty-six".