55065624663620 has 96 divisors (see below), whose sum is σ = 121405979520000. Its totient is φ = 20952279129600.

The previous prime is 55065624663619. The next prime is 55065624663653. The reversal of 55065624663620 is 2636642656055.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56206526 + ... + 57177834.

It is an arithmetic number, because the mean of its divisors is an integer number (1264645620000).

Almost surely, 2^{55065624663620} 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 55065624663620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60702989760000).

55065624663620 is an abundant number, since it is smaller than the sum of its proper divisors (66340354856380).

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

55065624663620 is a wasteful number, since it uses less digits than its factorization.

55065624663620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972909 (or 972907 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 56.

The spelling of 55065624663620 in words is "fifty-five trillion, sixty-five billion, six hundred twenty-four million, six hundred sixty-three thousand, six hundred twenty".