55507675478008 has 128 divisors (see below), whose sum is σ = 117487456732800. Its totient is φ = 24393782476800.

The previous prime is 55507675477963. The next prime is 55507675478051. The reversal of 55507675478008 is 80087457670555.

It is a super-2 number, since 2×55507675478008² (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 31 ways as a sum of consecutive naturals, for example, 1580092188 + ... + 1580127316.

It is an arithmetic number, because the mean of its divisors is an integer number (917870755725).

Almost surely, 2^{55507675478008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55507675478008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58743728366400).

55507675478008 is an abundant number, since it is smaller than the sum of its proper divisors (61979781254792).

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

55507675478008 is a wasteful number, since it uses less digits than its factorization.

55507675478008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38153 (or 38149 counting only the distinct ones).

The product of its (nonzero) digits is 329280000, while the sum is 67.

The spelling of 55507675478008 in words is "fifty-five trillion, five hundred seven billion, six hundred seventy-five million, four hundred seventy-eight thousand, eight".