52644454611 has 32 divisors (see below), whose sum is σ = 84460377600. Its totient is φ = 28493130240.

The previous prime is 52644454601. The next prime is 52644454661. The reversal of 52644454611 is 11645444625.

It is a happy number.

It is not a de Polignac number, because 52644454611 - 2⁷ = 52644454483 is a prime.

It is a super-2 number, since 2×52644454611² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52644454601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2330491 + ... + 2352971.

It is an arithmetic number, because the mean of its divisors is an integer number (2639386800).

Almost surely, 2^52644454611 is an apocalyptic number.

52644454611 is a deficient number, since it is larger than the sum of its proper divisors (31815922989).

52644454611 is a wasteful number, since it uses less digits than its factorization.

52644454611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28379.

The product of its digits is 460800, while the sum is 42.

The spelling of 52644454611 in words is "fifty-two billion, six hundred forty-four million, four hundred fifty-four thousand, six hundred eleven".