55544656215 has 8 divisors (see below), whose sum is σ = 88871449968. Its totient is φ = 29623816640.

The previous prime is 55544656169. The next prime is 55544656231. The reversal of 55544656215 is 51265644555.

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

It is not a de Polignac number, because 55544656215 - 2⁹ = 55544655703 is a prime.

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, 1851488526 + ... + 1851488555.

It is an arithmetic number, because the mean of its divisors is an integer number (11108931246).

Almost surely, 2^55544656215 is an apocalyptic number.

55544656215 is a deficient number, since it is larger than the sum of its proper divisors (33326793753).

55544656215 is a wasteful number, since it uses less digits than its factorization.

55544656215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702977089.

The product of its digits is 3600000, while the sum is 48.

The spelling of 55544656215 in words is "fifty-five billion, five hundred forty-four million, six hundred fifty-six thousand, two hundred fifteen".