55455849736056 has 288 divisors, whose sum is σ = 189659957760000. Its totient is φ = 14328699580800.

The previous prime is 55455849736043. The next prime is 55455849736103. The reversal of 55455849736056 is 65063794855455.

55455849736056 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 5 + 8 + 4 + 9 + 7 + 3 + 605 + 6 = 666.

It is a super-3 number, since 3×55455849736056³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9267445 + ... + 14028443.

It is an arithmetic number, because the mean of its divisors is an integer number (658541520000).

Almost surely, 2^{55455849736056} is an apocalyptic number.

55455849736056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55455849736056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94829978880000).

55455849736056 is an abundant number, since it is smaller than the sum of its proper divisors (134204108023944).

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

55455849736056 is a wasteful number, since it uses less digits than its factorization.

55455849736056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761231 (or 4761213 counting only the distinct ones).

The product of its (nonzero) digits is 2721600000, while the sum is 72.

The spelling of 55455849736056 in words is "fifty-five trillion, four hundred fifty-five billion, eight hundred forty-nine million, seven hundred thirty-six thousand, fifty-six".