5517645055640 has 16 divisors (see below), whose sum is σ = 12414701375280. Its totient is φ = 2207058022240.

The previous prime is 5517645055639. The next prime is 5517645055709. The reversal of 5517645055640 is 465505467155.

It is a congruent number.

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, 68970563156 + ... + 68970563235.

It is an arithmetic number, because the mean of its divisors is an integer number (775918835955).

Almost surely, 2^{5517645055640} is an apocalyptic number.

It is an amenable number.

5517645055640 is an abundant number, since it is smaller than the sum of its proper divisors (6897056319640).

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

5517645055640 is a wasteful number, since it uses less digits than its factorization.

5517645055640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137941126402 (or 137941126398 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 5517645055640 in words is "five trillion, five hundred seventeen billion, six hundred forty-five million, fifty-five thousand, six hundred forty".