52021524505 has 8 divisors (see below), whose sum is σ = 62427198600. Its totient is φ = 41616306816.

The previous prime is 52021524469. The next prime is 52021524539. The reversal of 52021524505 is 50542512025.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2941109824 + 49080414681 = 54232^2 + 221541^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52021524505 - 2⁷ = 52021524377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232231 + ... + 397459.

It is an arithmetic number, because the mean of its divisors is an integer number (7803399825).

Almost surely, 2^52021524505 is an apocalyptic number.

It is an amenable number.

52021524505 is a deficient number, since it is larger than the sum of its proper divisors (10405674095).

52021524505 is a wasteful number, since it uses less digits than its factorization.

52021524505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228203.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 52021524505 in words is "fifty-two billion, twenty-one million, five hundred twenty-four thousand, five hundred five".