55896064065648 has 100 divisors (see below), whose sum is σ = 161813029337520. Its totient is φ = 18628151302656.

The previous prime is 55896064065629. The next prime is 55896064065739. The reversal of 55896064065648 is 84656046069855.

55896064065648 is a `hidden beast` number, since 5 + 5 + 8 + 9 + 606 + 4 + 0 + 6 + 5 + 6 + 4 + 8 = 666.

It is a super-3 number, since 3×55896064065648³ (a number of 42 digits) contains 333 as substring.

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

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 19 ways as a sum of consecutive naturals, for example, 1766013 + ... + 10719651.

Almost surely, 2^{55896064065648} is an apocalyptic number.

It is an amenable number.

55896064065648 is an abundant number, since it is smaller than the sum of its proper divisors (105916965271872).

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

55896064065648 is a wasteful number, since it uses less digits than its factorization.

55896064065648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958476 (or 8958461 counting only the distinct ones).

The product of its (nonzero) digits is 1492992000, while the sum is 72.

The spelling of 55896064065648 in words is "fifty-five trillion, eight hundred ninety-six billion, sixty-four million, sixty-five thousand, six hundred forty-eight".