654555311 has 4 divisors (see below), whose sum is σ = 655466400. Its totient is φ = 653644224.

The previous prime is 654555289. The next prime is 654555329. The reversal of 654555311 is 113555456.

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 654555311 - 2¹⁰ = 654554287 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 (654557311) 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, 454466 + ... + 455903.

It is an arithmetic number, because the mean of its divisors is an integer number (163866600).

Almost surely, 2^654555311 is an apocalyptic number.

654555311 is a deficient number, since it is larger than the sum of its proper divisors (911089).

654555311 is an equidigital number, since it uses as much as digits as its factorization.

654555311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911088.

The product of its digits is 45000, while the sum is 35.

The square root of 654555311 is about 25584.2785905720. The cubic root of 654555311 is about 868.2579803124.

The spelling of 654555311 in words is "six hundred fifty-four million, five hundred fifty-five thousand, three hundred eleven".