55473134646 has 8 divisors (see below), whose sum is σ = 110946269304. Its totient is φ = 18491044880.

The previous prime is 55473134641. The next prime is 55473134687. The reversal of 55473134646 is 64643137455.

It is a sphenic number, since it is the product of 3 distinct primes.

55473134646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55473134595 and 55473134604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55473134641) 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, 4622761215 + ... + 4622761226.

It is an arithmetic number, because the mean of its divisors is an integer number (13868283663).

Almost surely, 2^55473134646 is an apocalyptic number.

55473134646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55473134646 is a wasteful number, since it uses less digits than its factorization.

55473134646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245522446.

The product of its digits is 3628800, while the sum is 48.

The spelling of 55473134646 in words is "fifty-five billion, four hundred seventy-three million, one hundred thirty-four thousand, six hundred forty-six".