55304473680 has 600 divisors, whose sum is σ = 202745210976. Its totient is φ = 13968391680.

The previous prime is 55304473669. The next prime is 55304473717. The reversal of 55304473680 is 8637440355.

55304473680 is a `hidden beast` number, since 5 + 530 + 4 + 4 + 7 + 36 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 516864187 + ... + 516864293.

Almost surely, 2^55304473680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55304473680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101372605488).

55304473680 is an abundant number, since it is smaller than the sum of its proper divisors (147440737296).

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

55304473680 is a wasteful number, since it uses less digits than its factorization.

55304473680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 55304473680 in words is "fifty-five billion, three hundred four million, four hundred seventy-three thousand, six hundred eighty".