545541455 has 16 divisors (see below), whose sum is σ = 681208704. Its totient is φ = 419078400.

The previous prime is 545541443. The next prime is 545541481. The reversal of 545541455 is 554145545.

It is not a de Polignac number, because 545541455 - 2¹² = 545537359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9446 + ... + 34355.

It is an arithmetic number, because the mean of its divisors is an integer number (42575544).

Almost surely, 2^545541455 is an apocalyptic number.

545541455 is a deficient number, since it is larger than the sum of its proper divisors (135667249).

545541455 is a wasteful number, since it uses less digits than its factorization.

545541455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43906.

The product of its digits is 200000, while the sum is 38.

The square root of 545541455 is about 23356.8288729442. The cubic root of 545541455 is about 817.1013334207.

The spelling of 545541455 in words is "five hundred forty-five million, five hundred forty-one thousand, four hundred fifty-five".