545747747544 has 96 divisors (see below), whose sum is σ = 1497746764800. Its totient is φ = 179496757440.

The previous prime is 545747747527. The next prime is 545747747549. The reversal of 545747747544 is 445747747545.

545747747544 is a `hidden beast` number, since 5 + 4 + 5 + 7 + 47 + 7 + 47 + 544 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545747747549) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8973799 + ... + 9034409.

It is an arithmetic number, because the mean of its divisors is an integer number (15601528800).

Almost surely, 2^545747747544 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 545747747544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748873382400).

545747747544 is an abundant number, since it is smaller than the sum of its proper divisors (951999017256).

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

545747747544 is a wasteful number, since it uses less digits than its factorization.

545747747544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62285 (or 62278 counting only the distinct ones).

The product of its digits is 307328000, while the sum is 63.

Subtracting from 545747747544 its reverse (445747747545), we obtain a palindrome (99999999999).

The spelling of 545747747544 in words is "five hundred forty-five billion, seven hundred forty-seven million, seven hundred forty-seven thousand, five hundred forty-four".