55366575654517 has 4 divisors (see below), whose sum is σ = 55366801941760. Its totient is φ = 55366349367276.

The previous prime is 55366575654499. The next prime is 55366575654581. The reversal of 55366575654517 is 71545657566355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55366575654517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366575684517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112776213 + ... + 113266090.

It is an arithmetic number, because the mean of its divisors is an integer number (13841700485440).

Almost surely, 2^{55366575654517} is an apocalyptic number.

It is an amenable number.

55366575654517 is a deficient number, since it is larger than the sum of its proper divisors (226287243).

55366575654517 is a wasteful number, since it uses less digits than its factorization.

55366575654517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226287242.

The product of its digits is 1984500000, while the sum is 70.

The spelling of 55366575654517 in words is "fifty-five trillion, three hundred sixty-six billion, five hundred seventy-five million, six hundred fifty-four thousand, five hundred seventeen".