545484515 has 4 divisors (see below), whose sum is σ = 654581424. Its totient is φ = 436387608.

The previous prime is 545484473. The next prime is 545484517. The reversal of 545484515 is 515484545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 515484545 = 5 ⋅103096909.

It is a cyclic number.

It is not a de Polignac number, because 545484515 - 2²⁴ = 528707299 is a prime.

It is a super-2 number, since 2×545484515² = 595106712209570450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545484517) 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, 54548447 + ... + 54548456.

It is an arithmetic number, because the mean of its divisors is an integer number (163645356).

Almost surely, 2^545484515 is an apocalyptic number.

545484515 is a deficient number, since it is larger than the sum of its proper divisors (109096909).

545484515 is a wasteful number, since it uses less digits than its factorization.

545484515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109096908.

The product of its digits is 320000, while the sum is 41.

The square root of 545484515 is about 23355.6099256688. The cubic root of 545484515 is about 817.0729045584.

The spelling of 545484515 in words is "five hundred forty-five million, four hundred eighty-four thousand, five hundred fifteen".