55016001616655 has 8 divisors (see below), whose sum is σ = 69902684407152. Its totient is φ = 41423812981888.

The previous prime is 55016001616637. The next prime is 55016001616673. The reversal of 55016001616655 is 55661610061055.

It is an interprime number because it is at equal distance from previous prime (55016001616637) and next prime (55016001616673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55016001616655 - 2⁶ = 55016001616591 is a prime.

It is a super-3 number, since 3×55016001616655³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323623538837 + ... + 323623539006.

It is an arithmetic number, because the mean of its divisors is an integer number (8737835550894).

Almost surely, 2^{55016001616655} is an apocalyptic number.

55016001616655 is a deficient number, since it is larger than the sum of its proper divisors (14886682790497).

55016001616655 is a wasteful number, since it uses less digits than its factorization.

55016001616655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647247077865.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 55016001616655 in words is "fifty-five trillion, sixteen billion, one million, six hundred sixteen thousand, six hundred fifty-five".