545411345550 has 24 divisors (see below), whose sum is σ = 1352620137336. Its totient is φ = 145443025440.

The previous prime is 545411345543. The next prime is 545411345579. The reversal of 545411345550 is 55543114545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1818037669 + ... + 1818037968.

It is an arithmetic number, because the mean of its divisors is an integer number (56359172389).

Almost surely, 2^545411345550 is an apocalyptic number.

545411345550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545411345550 is an abundant number, since it is smaller than the sum of its proper divisors (807208791786).

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

545411345550 is a wasteful number, since it uses less digits than its factorization.

545411345550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636075652 (or 3636075647 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 545411345550 in words is "five hundred forty-five billion, four hundred eleven million, three hundred forty-five thousand, five hundred fifty".