55553652065646 has 384 divisors, whose sum is σ = 145028698214400. Its totient is φ = 15611395825152.

The previous prime is 55553652065603. The next prime is 55553652065651. The reversal of 55553652065646 is 64656025635555.

55553652065646 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 3 + 6 + 520 + 65 + 6 + 46 = 666.

55553652065646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24291057915 + ... + 24291060201.

It is an arithmetic number, because the mean of its divisors is an integer number (377678901600).

Almost surely, 2^{55553652065646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55553652065646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72514349107200).

55553652065646 is an abundant number, since it is smaller than the sum of its proper divisors (89475046148754).

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

55553652065646 is a wasteful number, since it uses less digits than its factorization.

55553652065646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 486000000, while the sum is 63.

The spelling of 55553652065646 in words is "fifty-five trillion, five hundred fifty-three billion, six hundred fifty-two million, sixty-five thousand, six hundred forty-six".