52179250985 has 16 divisors (see below), whose sum is σ = 66556340496. Its totient is φ = 39135019008.

The previous prime is 52179250961. The next prime is 52179251023. The reversal of 52179250985 is 58905297125.

It can be written as a sum of positive squares in 8 ways, for example, as 21384967696 + 30794283289 = 146236^2 + 175483^2 .

It is a cyclic number.

It is not a de Polignac number, because 52179250985 - 2²⁰ = 52178202409 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, 1172462 + ... + 1216151.

It is an arithmetic number, because the mean of its divisors is an integer number (4159771281).

Almost surely, 2^52179250985 is an apocalyptic number.

It is an amenable number.

52179250985 is a deficient number, since it is larger than the sum of its proper divisors (14377089511).

52179250985 is a wasteful number, since it uses less digits than its factorization.

52179250985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388892.

The product of its (nonzero) digits is 2268000, while the sum is 53.

The spelling of 52179250985 in words is "fifty-two billion, one hundred seventy-nine million, two hundred fifty thousand, nine hundred eighty-five".