545554133 has 4 divisors (see below), whose sum is σ = 553696800. Its totient is φ = 537411468.

The previous prime is 545554129. The next prime is 545554193. The reversal of 545554133 is 331455545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545554133 - 2² = 545554129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545554093 and 545554102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545554193) 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, 4071233 + ... + 4071366.

It is an arithmetic number, because the mean of its divisors is an integer number (138424200).

Almost surely, 2^545554133 is an apocalyptic number.

It is an amenable number.

545554133 is a deficient number, since it is larger than the sum of its proper divisors (8142667).

545554133 is an equidigital number, since it uses as much as digits as its factorization.

545554133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142666.

The product of its digits is 90000, while the sum is 35.

The square root of 545554133 is about 23357.1002695112. The cubic root of 545554133 is about 817.1076629919.

The spelling of 545554133 in words is "five hundred forty-five million, five hundred fifty-four thousand, one hundred thirty-three".