545790663 has 32 divisors (see below), whose sum is σ = 905944320. Its totient is φ = 321835680.

The previous prime is 545790613. The next prime is 545790673. The reversal of 545790663 is 366097545.

It is not a de Polignac number, because 545790663 - 2¹² = 545786567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545790613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13845 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (28310760).

Almost surely, 2^545790663 is an apocalyptic number.

545790663 is a deficient number, since it is larger than the sum of its proper divisors (360153657).

545790663 is a wasteful number, since it uses less digits than its factorization.

545790663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49724 (or 49718 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 545790663 is about 23362.1630633809. The cubic root of 545790663 is about 817.2257341048.

The spelling of 545790663 in words is "five hundred forty-five million, seven hundred ninety thousand, six hundred sixty-three".