5521055061600 has 864 divisors, whose sum is σ = 23021896191840. Its totient is φ = 1279076106240.

The previous prime is 5521055061581. The next prime is 5521055061661. The reversal of 5521055061600 is 61605501255.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 42898146 + ... + 43026654.

It is an arithmetic number, because the mean of its divisors is an integer number (26645713185).

Almost surely, 2^{5521055061600} is an apocalyptic number.

5521055061600 is a gapful number since it is divisible by the number (50) 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 5521055061600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11510948095920).

5521055061600 is an abundant number, since it is smaller than the sum of its proper divisors (17500841130240).

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

5521055061600 is a wasteful number, since it uses less digits than its factorization.

5521055061600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128574 (or 128549 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 5521055061600 in words is "five trillion, five hundred twenty-one billion, fifty-five million, sixty-one thousand, six hundred".