55065404160 has 864 divisors, whose sum is σ = 219633523200. Its totient is φ = 12634030080.

The previous prime is 55065404143. The next prime is 55065404203. The reversal of 55065404160 is 6140456055.

55065404160 is a `hidden beast` number, since 5 + 50 + 6 + 540 + 4 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134634036 + ... + 134634444.

Almost surely, 2^55065404160 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 55065404160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109816761600).

55065404160 is an abundant number, since it is smaller than the sum of its proper divisors (164568119040).

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

55065404160 is a wasteful number, since it uses less digits than its factorization.

55065404160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 55065404160 in words is "fifty-five billion, sixty-five million, four hundred four thousand, one hundred sixty".