5454545 has 4 divisors (see below), whose sum is σ = 6545460. Its totient is φ = 4363632.

The previous prime is 5454541. The next prime is 5454557.

5454545 is nontrivially palindromic in base 10.

5454545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583696 + 4870849 = 764^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 5454545 - 2² = 5454541 is a prime.

It is a super-2 number, since 2×5454545² = 59504122314050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

5454545 is an undulating number in base 10.

5454545 is a modest number, since divided by 4545 gives 545 as remainder.

It is not an unprimeable number, because it can be changed into a prime (5454541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545450 + ... + 545459.

It is an arithmetic number, because the mean of its divisors is an integer number (1636365).

Almost surely, 2^5454545 is an apocalyptic number.

It is an amenable number.

5454545 is a deficient number, since it is larger than the sum of its proper divisors (1090915).

5454545 is a wasteful number, since it uses less digits than its factorization.

5454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090914.

The product of its digits is 40000, while the sum is 32.

The square root of 5454545 is about 2335.4967351722. The cubic root of 5454545 is about 176.0297922191.

The spelling of 5454545 in words is "five million, four hundred fifty-four thousand, five hundred forty-five".