545403540503 has 8 divisors (see below), whose sum is σ = 557037527040. Its totient is φ = 533770789720.

The previous prime is 545403540469. The next prime is 545403540511. The reversal of 545403540503 is 305045304545.

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 545403540503 - 2⁶ = 545403540439 is a prime.

It is a super-2 number, since 2×545403540503² (a number of 24 digits) 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 (545403540593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612158 + ... + 1210596.

It is an arithmetic number, because the mean of its divisors is an integer number (69629690880).

Almost surely, 2^545403540503 is an apocalyptic number.

545403540503 is a deficient number, since it is larger than the sum of its proper divisors (11633986537).

545403540503 is a wasteful number, since it uses less digits than its factorization.

545403540503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617877.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 545403540503 in words is "five hundred forty-five billion, four hundred three million, five hundred forty thousand, five hundred three".