55322162064 has 120 divisors (see below), whose sum is σ = 168293728512. Its totient is φ = 16863056640.

The previous prime is 55322162057. The next prime is 55322162099. The reversal of 55322162064 is 46026122355.

55322162064 is a `hidden beast` number, since 5 + 5 + 3 + 2 + 21 + 620 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62209 + ... + 338399.

Almost surely, 2^55322162064 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 55322162064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84146864256).

55322162064 is an abundant number, since it is smaller than the sum of its proper divisors (112971566448).

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

55322162064 is a wasteful number, since it uses less digits than its factorization.

55322162064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276325 (or 276316 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 55322162064 in words is "fifty-five billion, three hundred twenty-two million, one hundred sixty-two thousand, sixty-four".