545520776000 has 112 divisors (see below), whose sum is σ = 1351318589712. Its totient is φ = 218153984000.

The previous prime is 545520775993. The next prime is 545520776027. The reversal of 545520776000 is 677025545.

It can be written as a sum of positive squares in 8 ways, for example, as 7046595136 + 538474180864 = 83944^2 + 733808^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52162772 + ... + 52173228.

It is an arithmetic number, because the mean of its divisors is an integer number (12065344551).

Almost surely, 2^545520776000 is an apocalyptic number.

545520776000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545520776000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675659294856).

545520776000 is an abundant number, since it is smaller than the sum of its proper divisors (805797813712).

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

545520776000 is a wasteful number, since it uses less digits than its factorization.

545520776000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005 (or 16985 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 545520776000 in words is "five hundred forty-five billion, five hundred twenty million, seven hundred seventy-six thousand".