55311543936 has 192 divisors, whose sum is σ = 175006540800. Its totient is φ = 16628613120.

The previous prime is 55311543923. The next prime is 55311543971. The reversal of 55311543936 is 63934511355.

55311543936 is a `hidden beast` number, since 5 + 5 + 3 + 11 + 543 + 93 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 55311543891 and 55311543900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592160 + ... + 1626528.

It is an arithmetic number, because the mean of its divisors is an integer number (911492400).

Almost surely, 2^55311543936 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 55311543936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87503270400).

55311543936 is an abundant number, since it is smaller than the sum of its proper divisors (119694996864).

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

55311543936 is a wasteful number, since it uses less digits than its factorization.

55311543936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34527 (or 34512 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The spelling of 55311543936 in words is "fifty-five billion, three hundred eleven million, five hundred forty-three thousand, nine hundred thirty-six".