55570680498816 has 960 divisors, whose sum is σ = 199038600668160. Its totient is φ = 15329967206400.

The previous prime is 55570680498779. The next prime is 55570680498829. The reversal of 55570680498816 is 61889408607555.

55570680498816 is a `hidden beast` number, since 5 + 5 + 5 + 70 + 68 + 0 + 498 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×55570680498816² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7291779486 + ... + 7291787106.

It is an arithmetic number, because the mean of its divisors is an integer number (207331875696).

Almost surely, 2^{55570680498816} is an apocalyptic number.

55570680498816 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 55570680498816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99519300334080).

55570680498816 is an abundant number, since it is smaller than the sum of its proper divisors (143467920169344).

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

55570680498816 is a wasteful number, since it uses less digits than its factorization.

55570680498816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155 (or 8127 counting only the distinct ones).

The product of its (nonzero) digits is 580608000, while the sum is 72.

The spelling of 55570680498816 in words is "fifty-five trillion, five hundred seventy billion, six hundred eighty million, four hundred ninety-eight thousand, eight hundred sixteen".