55298386649376 has 432 divisors, whose sum is σ = 175526312532480. Its totient is φ = 16415624816640.

The previous prime is 55298386649369. The next prime is 55298386649399. The reversal of 55298386649376 is 67394668389255.

55298386649376 is a `hidden beast` number, since 5 + 5 + 2 + 98 + 38 + 6 + 6 + 493 + 7 + 6 = 666.

It is a super-2 number, since 2×55298386649376² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55298386649295 and 55298386649304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4631737615 + ... + 4631749553.

It is an arithmetic number, because the mean of its divisors is an integer number (406310908640).

Almost surely, 2^{55298386649376} 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 55298386649376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87763156266240).

55298386649376 is an abundant number, since it is smaller than the sum of its proper divisors (120227925883104).

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

55298386649376 is a wasteful number, since it uses less digits than its factorization.

55298386649376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497 (or 13457 counting only the distinct ones).

The product of its digits is 14108774400, while the sum is 81.

The spelling of 55298386649376 in words is "fifty-five trillion, two hundred ninety-eight billion, three hundred eighty-six million, six hundred forty-nine thousand, three hundred seventy-six".