545663499 has 4 divisors (see below), whose sum is σ = 727551336. Its totient is φ = 363775664.

The previous prime is 545663491. The next prime is 545663537. The reversal of 545663499 is 994366545.

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 545663499 - 2³ = 545663491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545663491) 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, 90943914 + ... + 90943919.

It is an arithmetic number, because the mean of its divisors is an integer number (181887834).

Almost surely, 2^545663499 is an apocalyptic number.

545663499 is a deficient number, since it is larger than the sum of its proper divisors (181887837).

545663499 is a wasteful number, since it uses less digits than its factorization.

545663499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181887836.

The product of its digits is 3499200, while the sum is 51.

The square root of 545663499 is about 23359.4413246550. The cubic root of 545663499 is about 817.1622605839.

The spelling of 545663499 in words is "five hundred forty-five million, six hundred sixty-three thousand, four hundred ninety-nine".