55006617215 has 8 divisors (see below), whose sum is σ = 72008662608. Its totient is φ = 40004812480.

The previous prime is 55006617191. The next prime is 55006617221. The reversal of 55006617215 is 51271660055.

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

It is not a de Polignac number, because 55006617215 - 2¹⁶ = 55006551679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500060102 + ... + 500060211.

It is an arithmetic number, because the mean of its divisors is an integer number (9001082826).

Almost surely, 2^55006617215 is an apocalyptic number.

55006617215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55006617215 is a deficient number, since it is larger than the sum of its proper divisors (17002045393).

55006617215 is a wasteful number, since it uses less digits than its factorization.

55006617215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000120329.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 55006617215 in words is "fifty-five billion, six million, six hundred seventeen thousand, two hundred fifteen".