52129248481 has 4 divisors (see below), whose sum is σ = 52132263700. Its totient is φ = 52126233264.

The previous prime is 52129248433. The next prime is 52129248571. The reversal of 52129248481 is 18484292125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21288269025 + 30840979456 = 145905^2 + 175616^2 .

It is a cyclic number.

It is not a de Polignac number, because 52129248481 - 2¹⁵ = 52129215713 is a prime.

It is a super-2 number, since 2×52129248481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52129248781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481526 + ... + 1516303.

It is an arithmetic number, because the mean of its divisors is an integer number (13033065925).

Almost surely, 2^52129248481 is an apocalyptic number.

It is an amenable number.

52129248481 is a deficient number, since it is larger than the sum of its proper divisors (3015219).

52129248481 is a wasteful number, since it uses less digits than its factorization.

52129248481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015218.

The product of its digits is 368640, while the sum is 46.

The spelling of 52129248481 in words is "fifty-two billion, one hundred twenty-nine million, two hundred forty-eight thousand, four hundred eighty-one".