545880515 has 4 divisors (see below), whose sum is σ = 655056624. Its totient is φ = 436704408.

The previous prime is 545880479. The next prime is 545880527. The reversal of 545880515 is 515088545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545880515 - 2²⁰ = 544831939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54588047 + ... + 54588056.

It is an arithmetic number, because the mean of its divisors is an integer number (163764156).

Almost surely, 2^545880515 is an apocalyptic number.

545880515 is a deficient number, since it is larger than the sum of its proper divisors (109176109).

545880515 is a wasteful number, since it uses less digits than its factorization.

545880515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109176108.

The product of its (nonzero) digits is 160000, while the sum is 41.

The square root of 545880515 is about 23364.0860082307. The cubic root of 545880515 is about 817.2705775112.

The spelling of 545880515 in words is "five hundred forty-five million, eight hundred eighty thousand, five hundred fifteen".