55177754336 has 72 divisors (see below), whose sum is σ = 112678413120. Its totient is φ = 26596806656.

The previous prime is 55177754323. The next prime is 55177754353. The reversal of 55177754336 is 63345777155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25000145 + ... + 25002351.

It is an arithmetic number, because the mean of its divisors is an integer number (1564977960).

Almost surely, 2^55177754336 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 55177754336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56339206560).

55177754336 is an abundant number, since it is smaller than the sum of its proper divisors (57500658784).

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

55177754336 is a wasteful number, since it uses less digits than its factorization.

55177754336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204 (or 3167 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 53.

The spelling of 55177754336 in words is "fifty-five billion, one hundred seventy-seven million, seven hundred fifty-four thousand, three hundred thirty-six".