5545326780 has 144 divisors (see below), whose sum is σ = 19275669504. Its totient is φ = 1264083840.

The previous prime is 5545326769. The next prime is 5545326811. The reversal of 5545326780 is 876235455.

5545326780 is a `hidden beast` number, since 5 + 54 + 532 + 67 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 476835 + ... + 488325.

It is an arithmetic number, because the mean of its divisors is an integer number (133858816).

Almost surely, 2^5545326780 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 5545326780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9637834752).

5545326780 is an abundant number, since it is smaller than the sum of its proper divisors (13730342724).

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

5545326780 is a wasteful number, since it uses less digits than its factorization.

5545326780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896 (or 11891 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 5545326780 is about 74466.9509245544. The cubic root of 5545326780 is about 1770.0099779194.

The spelling of 5545326780 in words is "five billion, five hundred forty-five million, three hundred twenty-six thousand, seven hundred eighty".