55434093990912 has 2112 divisors, whose sum is σ = 212654633877504. Its totient is φ = 14030302740480.

The previous prime is 55434093990901. The next prime is 55434093990937. The reversal of 55434093990912 is 21909939043455.

55434093990912 is a `hidden beast` number, since 5 + 54 + 3 + 409 + 3 + 9 + 90 + 91 + 2 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55434093990912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 110206946053 + ... + 110206946555.

Almost surely, 2^{55434093990912} is an apocalyptic number.

55434093990912 is a gapful number since it is divisible by the number (52) 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 55434093990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106327316938752).

55434093990912 is an abundant number, since it is smaller than the sum of its proper divisors (157220539886592).

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

55434093990912 is a wasteful number, since it uses less digits than its factorization.

55434093990912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 63.

The spelling of 55434093990912 in words is "fifty-five trillion, four hundred thirty-four billion, ninety-three million, nine hundred ninety thousand, nine hundred twelve".