52974271585 has 4 divisors (see below), whose sum is σ = 63569125908. Its totient is φ = 42379417264.

The previous prime is 52974271573. The next prime is 52974271589. The reversal of 52974271585 is 58517247925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38851563664 + 14122707921 = 197108^2 + 118839^2 .

It is a cyclic number.

It is not a de Polignac number, because 52974271585 - 2⁷ = 52974271457 is a prime.

It is a super-2 number, since 2×52974271585² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52974271589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5297427154 + ... + 5297427163.

It is an arithmetic number, because the mean of its divisors is an integer number (15892281477).

Almost surely, 2^52974271585 is an apocalyptic number.

It is an amenable number.

52974271585 is a deficient number, since it is larger than the sum of its proper divisors (10594854323).

52974271585 is a wasteful number, since it uses less digits than its factorization.

52974271585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10594854322.

The product of its digits is 7056000, while the sum is 55.

The spelling of 52974271585 in words is "fifty-two billion, nine hundred seventy-four million, two hundred seventy-one thousand, five hundred eighty-five".