545876983 has 4 divisors (see below), whose sum is σ = 554825848. Its totient is φ = 536928120.

The previous prime is 545876977. The next prime is 545876999. The reversal of 545876983 is 389678545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545876983 - 2⁵ = 545876951 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545876183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4474341 + ... + 4474462.

It is an arithmetic number, because the mean of its divisors is an integer number (138706462).

Almost surely, 2^545876983 is an apocalyptic number.

545876983 is a deficient number, since it is larger than the sum of its proper divisors (8948865).

545876983 is an equidigital number, since it uses as much as digits as its factorization.

545876983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948864.

The product of its digits is 7257600, while the sum is 55.

The square root of 545876983 is about 23364.0104220145. The cubic root of 545876983 is about 817.2688148508.

The spelling of 545876983 in words is "five hundred forty-five million, eight hundred seventy-six thousand, nine hundred eighty-three".