52215676644 has 24 divisors (see below), whose sum is σ = 123205531680. Its totient is φ = 17209660864.

The previous prime is 52215676603. The next prime is 52215676673. The reversal of 52215676644 is 44667651225.

It is a junction number, because it is equal to n+sod(n) for n = 52215676593 and 52215676602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24444474 + ... + 24446609.

It is an arithmetic number, because the mean of its divisors is an integer number (5133563820).

Almost surely, 2^52215676644 is an apocalyptic number.

It is an amenable number.

52215676644 is an abundant number, since it is smaller than the sum of its proper divisors (70989855036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52215676644 is a wasteful number, since it uses less digits than its factorization.

52215676644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891179 (or 48891177 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

It can be divided in two parts, 5221 and 5676644, that added together give a palindrome (5681865).

The spelling of 52215676644 in words is "fifty-two billion, two hundred fifteen million, six hundred seventy-six thousand, six hundred forty-four".