55540211417 has 4 divisors (see below), whose sum is σ = 55540778496. Its totient is φ = 55539644340.

The previous prime is 55540211381. The next prime is 55540211509. The reversal of 55540211417 is 71411204555.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71411204555 = 5 ⋅14282240911.

It is a cyclic number.

It is not a de Polignac number, because 55540211417 - 2⁸ = 55540211161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55540211317) 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, 94709 + ... + 346482.

It is an arithmetic number, because the mean of its divisors is an integer number (13885194624).

Almost surely, 2^55540211417 is an apocalyptic number.

It is an amenable number.

55540211417 is a deficient number, since it is larger than the sum of its proper divisors (567079).

55540211417 is a wasteful number, since it uses less digits than its factorization.

55540211417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567078.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 55540211417 in words is "fifty-five billion, five hundred forty million, two hundred eleven thousand, four hundred seventeen".