55566566520214 has 16 divisors (see below), whose sum is σ = 83404590662880. Its totient is φ = 27765040959040.

The previous prime is 55566566520211. The next prime is 55566566520233. The reversal of 55566566520214 is 41202566566555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55566566520211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22769034 + ... + 25091074.

It is an arithmetic number, because the mean of its divisors is an integer number (5212786916430).

Almost surely, 2^{55566566520214} is an apocalyptic number.

55566566520214 is a deficient number, since it is larger than the sum of its proper divisors (27838024142666).

55566566520214 is a wasteful number, since it uses less digits than its factorization.

55566566520214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329895.

The product of its (nonzero) digits is 64800000, while the sum is 58.

The spelling of 55566566520214 in words is "fifty-five trillion, five hundred sixty-six billion, five hundred sixty-six million, five hundred twenty thousand, two hundred fourteen".