545436863 has 4 divisors (see below), whose sum is σ = 548703120. Its totient is φ = 542170608.

The previous prime is 545436799. The next prime is 545436889. The reversal of 545436863 is 368634545.

It is a happy number.

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 545436863 - 2⁶ = 545436799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545436893) 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, 1632878 + ... + 1633211.

It is an arithmetic number, because the mean of its divisors is an integer number (137175780).

Almost surely, 2^545436863 is an apocalyptic number.

545436863 is a deficient number, since it is larger than the sum of its proper divisors (3266257).

545436863 is a wasteful number, since it uses less digits than its factorization.

545436863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266256.

The product of its digits is 1036800, while the sum is 44.

The square root of 545436863 is about 23354.5897630423. The cubic root of 545436863 is about 817.0491114651.

The spelling of 545436863 in words is "five hundred forty-five million, four hundred thirty-six thousand, eight hundred sixty-three".