55617110213644 has 12 divisors (see below), whose sum is σ = 111234220427344. Its totient is φ = 23835904377264.

The previous prime is 55617110213573. The next prime is 55617110213657. The reversal of 55617110213644 is 44631201171655.

55617110213644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55617110213594 and 55617110213603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993162682359 + ... + 993162682414.

Almost surely, 2^{55617110213644} is an apocalyptic number.

It is an amenable number.

55617110213644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55617110213644 is a wasteful number, since it uses less digits than its factorization.

55617110213644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986325364784 (or 1986325364782 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 55617110213644 in words is "fifty-five trillion, six hundred seventeen billion, one hundred ten million, two hundred thirteen thousand, six hundred forty-four".