545405505450 has 96 divisors (see below), whose sum is σ = 1456834631616. Its totient is φ = 134236853760.

The previous prime is 545405505443. The next prime is 545405505451. The reversal of 545405505450 is 54505504545.

It is not an unprimeable number, because it can be changed into a prime (545405505451) 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, 24018502 + ... + 24041198.

It is an arithmetic number, because the mean of its divisors is an integer number (15175360746).

Almost surely, 2^545405505450 is an apocalyptic number.

545405505450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545405505450 is an abundant number, since it is smaller than the sum of its proper divisors (911429126166).

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

545405505450 is a wasteful number, since it uses less digits than its factorization.

545405505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35048 (or 35043 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 545405505450 in words is "five hundred forty-five billion, four hundred five million, five hundred five thousand, four hundred fifty".