55441321420547 has 4 divisors (see below), whose sum is σ = 55608817860216. Its totient is φ = 55273824980880.

The previous prime is 55441321420523. The next prime is 55441321420577. The reversal of 55441321420547 is 74502412314455.

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 55441321420547 - 2¹² = 55441321416451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55441321420577) 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, 83748219338 + ... + 83748219999.

It is an arithmetic number, because the mean of its divisors is an integer number (13902204465054).

Almost surely, 2^{55441321420547} is an apocalyptic number.

55441321420547 is a deficient number, since it is larger than the sum of its proper divisors (167496439669).

55441321420547 is a wasteful number, since it uses less digits than its factorization.

55441321420547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167496439668.

The product of its (nonzero) digits is 2688000, while the sum is 47.

The spelling of 55441321420547 in words is "fifty-five trillion, four hundred forty-one billion, three hundred twenty-one million, four hundred twenty thousand, five hundred forty-seven".