55641331406564 has 96 divisors (see below), whose sum is σ = 100946517235200. Its totient is φ = 26823942512640.

The previous prime is 55641331406543. The next prime is 55641331406569. The reversal of 55641331406564 is 46560413314655.

It is not an unprimeable number, because it can be changed into a prime (55641331406569) 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, 5284573652 + ... + 5284584180.

It is an arithmetic number, because the mean of its divisors is an integer number (1051526221200).

Almost surely, 2^{55641331406564} is an apocalyptic number.

It is an amenable number.

55641331406564 is a deficient number, since it is larger than the sum of its proper divisors (45305185828636).

55641331406564 is a wasteful number, since it uses less digits than its factorization.

55641331406564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 55641331406564 in words is "fifty-five trillion, six hundred forty-one billion, three hundred thirty-one million, four hundred six thousand, five hundred sixty-four".