55660344101215 has 32 divisors (see below), whose sum is σ = 78128307518976. Its totient is φ = 37270462158720.

The previous prime is 55660344101203. The next prime is 55660344101227. The reversal of 55660344101215 is 51210144306655.

It is an interprime number because it is at equal distance from previous prime (55660344101203) and next prime (55660344101227).

It is not a de Polignac number, because 55660344101215 - 2¹⁹ = 55660343576927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 31 ways as a sum of consecutive naturals, for example, 1745980 + ... + 10694350.

It is an arithmetic number, because the mean of its divisors is an integer number (2441509609968).

Almost surely, 2^{55660344101215} is an apocalyptic number.

55660344101215 is a deficient number, since it is larger than the sum of its proper divisors (22467963417761).

55660344101215 is a wasteful number, since it uses less digits than its factorization.

55660344101215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952559.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 55660344101215 in words is "fifty-five trillion, six hundred sixty billion, three hundred forty-four million, one hundred one thousand, two hundred fifteen".