545540507 has 8 divisors (see below), whose sum is σ = 555148992. Its totient is φ = 535953600.

The previous prime is 545540497. The next prime is 545540537. The reversal of 545540507 is 705045545.

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

It is a cyclic number.

It is not a de Polignac number, because 545540507 - 2¹⁰ = 545539483 is a prime.

It is a super-2 number, since 2×545540507² = 595228889555634098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545540537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50663 + ... + 60479.

It is an arithmetic number, because the mean of its divisors is an integer number (69393624).

Almost surely, 2^545540507 is an apocalyptic number.

545540507 is a deficient number, since it is larger than the sum of its proper divisors (9608485).

545540507 is an equidigital number, since it uses as much as digits as its factorization.

545540507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 545540507 is about 23356.8085790846. The cubic root of 545540507 is about 817.1008601218.

The spelling of 545540507 in words is "five hundred forty-five million, five hundred forty thousand, five hundred seven".