55440471004463 has 4 divisors (see below), whose sum is σ = 55512192183768. Its totient is φ = 55368749825160.

The previous prime is 55440471004459. The next prime is 55440471004549. The reversal of 55440471004463 is 36440017404455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55440471004463 - 2² = 55440471004459 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 (55440471006463) 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, 35860588493 + ... + 35860590038.

It is an arithmetic number, because the mean of its divisors is an integer number (13878048045942).

Almost surely, 2^{55440471004463} is an apocalyptic number.

55440471004463 is a deficient number, since it is larger than the sum of its proper divisors (71721179305).

55440471004463 is an equidigital number, since it uses as much as digits as its factorization.

55440471004463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71721179304.

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 55440471004463 in words is "fifty-five trillion, four hundred forty billion, four hundred seventy-one million, four thousand, four hundred sixty-three".