52609821281995 has 16 divisors (see below), whose sum is σ = 64014833535552. Its totient is φ = 41499486812160.

The previous prime is 52609821281987. The next prime is 52609821282019. The reversal of 52609821281995 is 59918212890625.

It is not a de Polignac number, because 52609821281995 - 2³ = 52609821281987 is a prime.

It is a super-2 number, since 2×52609821281995² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52609821281995.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19244902 + ... + 21807931.

It is an arithmetic number, because the mean of its divisors is an integer number (4000927095972).

Almost surely, 2^{52609821281995} is an apocalyptic number.

52609821281995 is a deficient number, since it is larger than the sum of its proper divisors (11405012253557).

52609821281995 is a wasteful number, since it uses less digits than its factorization.

52609821281995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41056422.

The product of its (nonzero) digits is 55987200, while the sum is 67.

The spelling of 52609821281995 in words is "fifty-two trillion, six hundred nine billion, eight hundred twenty-one million, two hundred eighty-one thousand, nine hundred ninety-five".