55929211217 has 8 divisors (see below), whose sum is σ = 64602725472. Its totient is φ = 47853870400.

The previous prime is 55929211207. The next prime is 55929211237. The reversal of 55929211217 is 71211292955.

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 55929211217 - 2⁶ = 55929211153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55929211207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149543159 + ... + 149543532.

It is an arithmetic number, because the mean of its divisors is an integer number (8075340684).

Almost surely, 2^55929211217 is an apocalyptic number.

It is an amenable number.

55929211217 is a deficient number, since it is larger than the sum of its proper divisors (8673514255).

55929211217 is a wasteful number, since it uses less digits than its factorization.

55929211217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299086719.

The product of its digits is 113400, while the sum is 44.

The spelling of 55929211217 in words is "fifty-five billion, nine hundred twenty-nine million, two hundred eleven thousand, two hundred seventeen".