55632140166423 has 16 divisors (see below), whose sum is σ = 78539902027776. Its totient is φ = 34906258654080.

The previous prime is 55632140166341. The next prime is 55632140166431. The reversal of 55632140166423 is 32466104123655.

It is not a de Polignac number, because 55632140166423 - 2⁹ = 55632140165911 is a prime.

It is a super-2 number, since 2×55632140166423² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55632140166223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7373428 + ... + 12869798.

It is an arithmetic number, because the mean of its divisors is an integer number (4908743876736).

Almost surely, 2^{55632140166423} is an apocalyptic number.

55632140166423 is a deficient number, since it is larger than the sum of its proper divisors (22907761861353).

55632140166423 is a wasteful number, since it uses less digits than its factorization.

55632140166423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694854.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 55632140166423 in words is "fifty-five trillion, six hundred thirty-two billion, one hundred forty million, one hundred sixty-six thousand, four hundred twenty-three".