54554545 has 16 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 42506944.

The previous prime is 54554537. The next prime is 54554561. The reversal of 54554545 is 54545545.

54554545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54554545 - 2³ = 54554537 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 62784 + ... + 63646.

It is an arithmetic number, because the mean of its divisors is an integer number (4199040).

Almost surely, 2^54554545 is an apocalyptic number.

It is an amenable number.

54554545 is a deficient number, since it is larger than the sum of its proper divisors (12630095).

54554545 is a wasteful number, since it uses less digits than its factorization.

54554545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its digits is 200000, while the sum is 37.

The square root of 54554545 is about 7386.1048598026. The cubic root of 54554545 is about 379.2657682968.

It can be divided in two parts, 5455 and 4545, that added together give a 4-th power (10000 = 10⁴).

The spelling of 54554545 in words is "fifty-four million, five hundred fifty-four thousand, five hundred forty-five".