545155505 has 32 divisors (see below), whose sum is σ = 711469440. Its totient is φ = 399651840.

The previous prime is 545155489. The next prime is 545155519. The reversal of 545155505 is 505551545.

It is a happy number.

545155505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545155505 - 2⁴ = 545155489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461015 + ... + 462195.

It is an arithmetic number, because the mean of its divisors is an integer number (22233420).

Almost surely, 2^545155505 is an apocalyptic number.

It is an amenable number.

545155505 is a deficient number, since it is larger than the sum of its proper divisors (166313935).

545155505 is a wasteful number, since it uses less digits than its factorization.

545155505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 545155505 is about 23348.5653734871. The cubic root of 545155505 is about 816.9085985060.

The spelling of 545155505 in words is "five hundred forty-five million, one hundred fifty-five thousand, five hundred five".