55605158466432 has 128 divisors (see below), whose sum is σ = 156966596236800. Its totient is φ = 17380383252480.

The previous prime is 55605158466379. The next prime is 55605158466457. The reversal of 55605158466432 is 23466485150655.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13946682 + ... + 17484857.

It is an arithmetic number, because the mean of its divisors is an integer number (1226301533100).

Almost surely, 2^{55605158466432} is an apocalyptic number.

It is an amenable number.

55605158466432 is an abundant number, since it is smaller than the sum of its proper divisors (101361437770368).

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

55605158466432 is a wasteful number, since it uses less digits than its factorization.

55605158466432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31431844 (or 31431832 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 60.

The spelling of 55605158466432 in words is "fifty-five trillion, six hundred five billion, one hundred fifty-eight million, four hundred sixty-six thousand, four hundred thirty-two".