52855581015 has 48 divisors (see below), whose sum is σ = 97759440480. Its totient is φ = 26340111360.

The previous prime is 52855581001. The next prime is 52855581049. The reversal of 52855581015 is 51018555825.

52855581015 is a `hidden beast` number, since 5 + 2 + 8 + 55 + 581 + 0 + 15 = 666.

It is not a de Polignac number, because 52855581015 - 2⁷ = 52855580887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361006 + ... + 485835.

It is an arithmetic number, because the mean of its divisors is an integer number (2036655010).

Almost surely, 2^52855581015 is an apocalyptic number.

52855581015 is a deficient number, since it is larger than the sum of its proper divisors (44903859465).

52855581015 is a wasteful number, since it uses less digits than its factorization.

52855581015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846944 (or 846941 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 45.

It can be divided in two parts, 528555810 and 15, that added together give a palindrome (528555825).

The spelling of 52855581015 in words is "fifty-two billion, eight hundred fifty-five million, five hundred eighty-one thousand, fifteen".