52420776065 has 16 divisors (see below), whose sum is σ = 72563236992. Its totient is φ = 35609731584.

The previous prime is 52420776017. The next prime is 52420776073. The reversal of 52420776065 is 56067702425.

It is not a de Polignac number, because 52420776065 - 2¹² = 52420771969 is a prime.

It is a Duffinian number.

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, 6995024 + ... + 7002513.

It is an arithmetic number, because the mean of its divisors is an integer number (4535202312).

Almost surely, 2^52420776065 is an apocalyptic number.

It is an amenable number.

52420776065 is a deficient number, since it is larger than the sum of its proper divisors (20142460927).

52420776065 is a wasteful number, since it uses less digits than its factorization.

52420776065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997656.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 52420776065 in words is "fifty-two billion, four hundred twenty million, seven hundred seventy-six thousand, sixty-five".