55005550097 has 4 divisors (see below), whose sum is σ = 55091095920. Its totient is φ = 54920004276.

The previous prime is 55005550087. The next prime is 55005550109. The reversal of 55005550097 is 79005550055.

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 not a de Polignac number, because 55005550097 - 2³² = 50710582801 is a prime.

It is a super-2 number, since 2×55005550097² (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 (55005550087) 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, 42771947 + ... + 42773232.

It is an arithmetic number, because the mean of its divisors is an integer number (13772773980).

Almost surely, 2^55005550097 is an apocalyptic number.

It is an amenable number.

55005550097 is a deficient number, since it is larger than the sum of its proper divisors (85545823).

55005550097 is an equidigital number, since it uses as much as digits as its factorization.

55005550097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85545822.

The product of its (nonzero) digits is 196875, while the sum is 41.

The spelling of 55005550097 in words is "fifty-five billion, five million, five hundred fifty thousand, ninety-seven".