55619346217 has 8 divisors (see below), whose sum is σ = 55759560192. Its totient is φ = 55479184800.

The previous prime is 55619346193. The next prime is 55619346241. The reversal of 55619346217 is 71264391655.

It is an interprime number because it is at equal distance from previous prime (55619346193) and next prime (55619346241).

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 55619346217 - 2¹¹ = 55619344169 is a prime.

It is a super-2 number, since 2×55619346217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55619346017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904448 + ... + 2923534.

It is an arithmetic number, because the mean of its divisors is an integer number (6969945024).

Almost surely, 2^55619346217 is an apocalyptic number.

It is an amenable number.

55619346217 is a deficient number, since it is larger than the sum of its proper divisors (140213975).

55619346217 is a wasteful number, since it uses less digits than its factorization.

55619346217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26279.

The product of its digits is 1360800, while the sum is 49.

The spelling of 55619346217 in words is "fifty-five billion, six hundred nineteen million, three hundred forty-six thousand, two hundred seventeen".