55081845534825 has 72 divisors (see below), whose sum is σ = 98710984827000. Its totient is φ = 29361124577280.

The previous prime is 55081845534701. The next prime is 55081845534851. The reversal of 55081845534825 is 52843554818055.

55081845534825 is a `hidden beast` number, since 5 + 5 + 0 + 8 + 18 + 4 + 5 + 534 + 82 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 34649375322384 + 20432470212441 = 5886372^2 + 4520229^2 .

It is not a de Polignac number, because 55081845534825 - 2¹² = 55081845530729 is a prime.

It is a super-3 number, since 3×55081845534825³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4725210397 + ... + 4725222053.

It is an arithmetic number, because the mean of its divisors is an integer number (1370985900375).

Almost surely, 2^{55081845534825} is an apocalyptic number.

It is an amenable number.

55081845534825 is a deficient number, since it is larger than the sum of its proper divisors (43629139292175).

55081845534825 is a wasteful number, since it uses less digits than its factorization.

55081845534825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211 (or 21203 counting only the distinct ones).

The product of its (nonzero) digits is 153600000, while the sum is 63.

The spelling of 55081845534825 in words is "fifty-five trillion, eighty-one billion, eight hundred forty-five million, five hundred thirty-four thousand, eight hundred twenty-five".