545554231 has 4 divisors (see below), whose sum is σ = 548602200. Its totient is φ = 542506264.

The previous prime is 545554223. The next prime is 545554249. The reversal of 545554231 is 132455545.

545554231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132455545 = 5 ⋅26491109.

It is a cyclic number.

It is not a de Polignac number, because 545554231 - 2³ = 545554223 is a prime.

It is a super-2 number, since 2×545554231² = 595258837924002722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545554271) 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, 1523716 + ... + 1524073.

It is an arithmetic number, because the mean of its divisors is an integer number (137150550).

Almost surely, 2^545554231 is an apocalyptic number.

545554231 is a deficient number, since it is larger than the sum of its proper divisors (3047969).

545554231 is a wasteful number, since it uses less digits than its factorization.

545554231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047968.

The product of its digits is 60000, while the sum is 34.

The square root of 545554231 is about 23357.1023673743. The cubic root of 545554231 is about 817.1077119186.

The spelling of 545554231 in words is "five hundred forty-five million, five hundred fifty-four thousand, two hundred thirty-one".