55825715885212 has 288 divisors, whose sum is σ = 125418777853824. Its totient is φ = 21544969420800.

The previous prime is 55825715885179. The next prime is 55825715885243. The reversal of 55825715885212 is 21258851752855.

It is a super-2 number, since 2×55825715885212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26074597662 + ... + 26074599802.

It is an arithmetic number, because the mean of its divisors is an integer number (435481867548).

Almost surely, 2^{55825715885212} is an apocalyptic number.

55825715885212 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 55825715885212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62709388926912).

55825715885212 is an abundant number, since it is smaller than the sum of its proper divisors (69593061968612).

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

55825715885212 is a wasteful number, since it uses less digits than its factorization.

55825715885212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3700 counting only the distinct ones).

The product of its digits is 89600000, while the sum is 64.

The spelling of 55825715885212 in words is "fifty-five trillion, eight hundred twenty-five billion, seven hundred fifteen million, eight hundred eighty-five thousand, two hundred twelve".