545421613600 has 288 divisors, whose sum is σ = 1437388001280. Its totient is φ = 201505920000.

The previous prime is 545421613589. The next prime is 545421613609. The reversal of 545421613600 is 6316124545.

It is a self number, because there is not a number n which added to its sum of digits gives 545421613600.

It is not an unprimeable number, because it can be changed into a prime (545421613609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375892875 + ... + 375894325.

It is an arithmetic number, because the mean of its divisors is an integer number (4990930560).

Almost surely, 2^545421613600 is an apocalyptic number.

545421613600 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 545421613600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718694000640).

545421613600 is an abundant number, since it is smaller than the sum of its proper divisors (891966387680).

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

545421613600 is a wasteful number, since it uses less digits than its factorization.

545421613600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 545421613600 in words is "five hundred forty-five billion, four hundred twenty-one million, six hundred thirteen thousand, six hundred".