55561761734617 has 8 divisors (see below), whose sum is σ = 56504667451680. Its totient is φ = 54618895382400.

The previous prime is 55561761734603. The next prime is 55561761734651. The reversal of 55561761734617 is 71643716716555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55561761734617 is a prime.

It is a super-2 number, since 2×55561761734617² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55561761731617) 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, 6987384 + ... + 12647017.

It is an arithmetic number, because the mean of its divisors is an integer number (7063083431460).

Almost surely, 2^{55561761734617} is an apocalyptic number.

It is an amenable number.

55561761734617 is a deficient number, since it is larger than the sum of its proper divisors (942905717063).

55561761734617 is a wasteful number, since it uses less digits than its factorization.

55561761734617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682423.

The product of its digits is 111132000, while the sum is 64.

The spelling of 55561761734617 in words is "fifty-five trillion, five hundred sixty-one billion, seven hundred sixty-one million, seven hundred thirty-four thousand, six hundred seventeen".