55110355217477 has 4 divisors (see below), whose sum is σ = 62983263105696. Its totient is φ = 47237447329260.

The previous prime is 55110355217473. The next prime is 55110355217557. The reversal of 55110355217477 is 77471255301155.

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 55110355217477 - 2² = 55110355217473 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 (55110355217473) 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, 3936453944099 + ... + 3936453944112.

It is an arithmetic number, because the mean of its divisors is an integer number (15745815776424).

Almost surely, 2^{55110355217477} is an apocalyptic number.

It is an amenable number.

55110355217477 is a deficient number, since it is larger than the sum of its proper divisors (7872907888219).

55110355217477 is an equidigital number, since it uses as much as digits as its factorization.

55110355217477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872907888218.

The product of its (nonzero) digits is 5145000, while the sum is 53.

The spelling of 55110355217477 in words is "fifty-five trillion, one hundred ten billion, three hundred fifty-five million, two hundred seventeen thousand, four hundred seventy-seven".