55473474380871 has 16 divisors (see below), whose sum is σ = 74555306860544. Its totient is φ = 36687043731744.

The previous prime is 55473474380869. The next prime is 55473474380887. The reversal of 55473474380871 is 17808347437455.

It is a happy number.

It is not a de Polignac number, because 55473474380871 - 2¹ = 55473474380869 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 (55473474380771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4643251 + ... + 11511156.

It is an arithmetic number, because the mean of its divisors is an integer number (4659706678784).

Almost surely, 2^{55473474380871} is an apocalyptic number.

55473474380871 is a deficient number, since it is larger than the sum of its proper divisors (19081832479673).

55473474380871 is a wasteful number, since it uses less digits than its factorization.

55473474380871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163550.

The product of its (nonzero) digits is 316108800, while the sum is 66.

The spelling of 55473474380871 in words is "fifty-five trillion, four hundred seventy-three billion, four hundred seventy-four million, three hundred eighty thousand, eight hundred seventy-one".