545345152400552 has 256 divisors, whose sum is σ = 1249999594905600. Its totient is φ = 217967666273280.

The previous prime is 545345152400473. The next prime is 545345152400639. The reversal of 545345152400552 is 255004251543545.

It is a self number, because there is not a number n which added to its sum of digits gives 545345152400552.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139438799477 + ... + 139438803387.

It is an arithmetic number, because the mean of its divisors is an integer number (4882810917600).

Almost surely, 2^{545345152400552} 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 545345152400552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624999797452800).

545345152400552 is an abundant number, since it is smaller than the sum of its proper divisors (704654442505048).

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

545345152400552 is a wasteful number, since it uses less digits than its factorization.

545345152400552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856 (or 7852 counting only the distinct ones).

The product of its (nonzero) digits is 12000000, while the sum is 50.

The spelling of 545345152400552 in words is "five hundred forty-five trillion, three hundred forty-five billion, one hundred fifty-two million, four hundred thousand, five hundred fifty-two".