545555415 has 48 divisors (see below), whose sum is σ = 932523552. Its totient is φ = 272295936.

The previous prime is 545555407. The next prime is 545555429. The reversal of 545555415 is 514555545.

It is not a de Polignac number, because 545555415 - 2³ = 545555407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1373997 + ... + 1374393.

It is an arithmetic number, because the mean of its divisors is an integer number (19427574).

Almost surely, 2^545555415 is an apocalyptic number.

545555415 is a deficient number, since it is larger than the sum of its proper divisors (386968137).

545555415 is a wasteful number, since it uses less digits than its factorization.

545555415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 739 counting only the distinct ones).

The product of its digits is 250000, while the sum is 39.

The square root of 545555415 is about 23357.1277129702. The cubic root of 545555415 is about 817.1083030330.

The spelling of 545555415 in words is "five hundred forty-five million, five hundred fifty-five thousand, four hundred fifteen".