55827525780216 has 80 divisors (see below), whose sum is σ = 156373132885200. Its totient is φ = 18608655367296.

The previous prime is 55827525780023. The next prime is 55827525780217. The reversal of 55827525780216 is 61208752572855.

55827525780216 is a `hidden beast` number, since 5 + 5 + 8 + 2 + 7 + 52 + 578 + 0 + 2 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55827525780217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22364980 + ... + 24735548.

It is an arithmetic number, because the mean of its divisors is an integer number (1954664161065).

Almost surely, 2^{55827525780216} is an apocalyptic number.

It is an amenable number.

55827525780216 is an abundant number, since it is smaller than the sum of its proper divisors (100545607104984).

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

55827525780216 is a wasteful number, since it uses less digits than its factorization.

55827525780216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406930 (or 2406917 counting only the distinct ones).

The product of its (nonzero) digits is 94080000, while the sum is 63.

The spelling of 55827525780216 in words is "fifty-five trillion, eight hundred twenty-seven billion, five hundred twenty-five million, seven hundred eighty thousand, two hundred sixteen".