52221560820505 has 8 divisors (see below), whose sum is σ = 62665963402824. Its totient is φ = 41777188377600.

The previous prime is 52221560820469. The next prime is 52221560820553. The reversal of 52221560820505 is 50502806512225.

It can be written as a sum of positive squares in 4 ways, for example, as 1282664972304 + 50938895848201 = 1132548^2 + 7137149^2 .

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

It is not a de Polignac number, because 52221560820505 - 2¹¹ = 52221560818457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529416 + ... + 10812025.

It is an arithmetic number, because the mean of its divisors is an integer number (7833245425353).

Almost surely, 2^{52221560820505} is an apocalyptic number.

It is an amenable number.

52221560820505 is a deficient number, since it is larger than the sum of its proper divisors (10444402582319).

52221560820505 is a wasteful number, since it uses less digits than its factorization.

52221560820505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069707.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 52221560820505 in words is "fifty-two trillion, two hundred twenty-one billion, five hundred sixty million, eight hundred twenty thousand, five hundred five".