55938911808 has 224 divisors, whose sum is σ = 169070219136. Its totient is φ = 16170319872.

The previous prime is 55938911783. The next prime is 55938911813. The reversal of 55938911808 is 80811983955.

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, 37466710 + ... + 37468202.

It is an arithmetic number, because the mean of its divisors is an integer number (754777764).

Almost surely, 2^55938911808 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 55938911808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84535109568).

55938911808 is an abundant number, since it is smaller than the sum of its proper divisors (113131307328).

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

55938911808 is a wasteful number, since it uses less digits than its factorization.

55938911808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 57.

The spelling of 55938911808 in words is "fifty-five billion, nine hundred thirty-eight million, nine hundred eleven thousand, eight hundred eight".