55211486328 has 160 divisors (see below), whose sum is σ = 161884293120. Its totient is φ = 17558856000.

The previous prime is 55211486327. The next prime is 55211486371. The reversal of 55211486328 is 82368411255.

55211486328 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 1 + 4 + 8 + 632 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211486327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1406893 + ... + 1445603.

It is an arithmetic number, because the mean of its divisors is an integer number (1011776832).

Almost surely, 2^55211486328 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 55211486328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80942146560).

55211486328 is an abundant number, since it is smaller than the sum of its proper divisors (106672806792).

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

55211486328 is a wasteful number, since it uses less digits than its factorization.

55211486328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38831 (or 38818 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 55211486328 in words is "fifty-five billion, two hundred eleven million, four hundred eighty-six thousand, three hundred twenty-eight".