545475547 has 8 divisors (see below), whose sum is σ = 547513344. Its totient is φ = 543442728.

The previous prime is 545475479. The next prime is 545475559. The reversal of 545475547 is 745574545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545475547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545475497 and 545475506.

It is not an unprimeable number, because it can be changed into a prime (545470547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554418 + ... + 555400.

It is an arithmetic number, because the mean of its divisors is an integer number (68439168).

Almost surely, 2^545475547 is an apocalyptic number.

545475547 is a deficient number, since it is larger than the sum of its proper divisors (2037797).

545475547 is an equidigital number, since it uses as much as digits as its factorization.

545475547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its digits is 1960000, while the sum is 46.

The square root of 545475547 is about 23355.4179367444. The cubic root of 545475547 is about 817.0684268572.

The spelling of 545475547 in words is "five hundred forty-five million, four hundred seventy-five thousand, five hundred forty-seven".