54534545 has 8 divisors (see below), whose sum is σ = 70475496. Its totient is φ = 40271616.

The previous prime is 54534539. The next prime is 54534563. The reversal of 54534545 is 54543545.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 51394561 = 1772^2 + 7169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54534545 - 2⁶ = 54534481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419432 + ... + 419561.

It is an arithmetic number, because the mean of its divisors is an integer number (8809437).

Almost surely, 2^54534545 is an apocalyptic number.

It is an amenable number.

54534545 is a deficient number, since it is larger than the sum of its proper divisors (15940951).

54534545 is a wasteful number, since it uses less digits than its factorization.

54534545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839011.

The product of its digits is 120000, while the sum is 35.

The square root of 54534545 is about 7384.7508421070. The cubic root of 54534545 is about 379.2194156510.

The spelling of 54534545 in words is "fifty-four million, five hundred thirty-four thousand, five hundred forty-five".