55796170817 has 4 divisors (see below), whose sum is σ = 55796970240. Its totient is φ = 55795371396.

The previous prime is 55796170777. The next prime is 55796170819. The reversal of 55796170817 is 71807169755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71807169755 = 5 ⋅14361433951.

It is a cyclic number.

It is not a de Polignac number, because 55796170817 - 2⁶ = 55796170753 is a prime.

It is a super-2 number, since 2×55796170817² (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 (55796170819) 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, 283817 + ... + 438342.

It is an arithmetic number, because the mean of its divisors is an integer number (13949242560).

Almost surely, 2^55796170817 is an apocalyptic number.

It is an amenable number.

55796170817 is a deficient number, since it is larger than the sum of its proper divisors (799423).

55796170817 is an equidigital number, since it uses as much as digits as its factorization.

55796170817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799422.

The product of its (nonzero) digits is 3704400, while the sum is 56.

The spelling of 55796170817 in words is "fifty-five billion, seven hundred ninety-six million, one hundred seventy thousand, eight hundred seventeen".