5454545454 has 64 divisors (see below), whose sum is σ = 12464040960. Its totient is φ = 1767096000.

The previous prime is 5454545401. The next prime is 5454545461. The reversal of 5454545454 is 4545454545.

5454545454 is a `hidden beast` number, since 5 + 4 + 54 + 54 + 545 + 4 = 666.

5454545454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×5454545454² = 59504132219504132232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

5454545454 is an undulating number in base 10.

5454545454 is a modest number, since divided by 545454 gives 5454 as remainder.

It is a Curzon number.

It is a congruent number.

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, 595449 + ... + 604539.

It is an arithmetic number, because the mean of its divisors is an integer number (194750640).

Almost surely, 2^5454545454 is an apocalyptic number.

5454545454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5454545454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6232020480).

5454545454 is an abundant number, since it is smaller than the sum of its proper divisors (7009495506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5454545454 is a wasteful number, since it uses less digits than its factorization.

5454545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414 (or 9408 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 45.

The square root of 5454545454 is about 73854.8945839069. The cubic root of 5454545454 is about 1760.2979710291.

Adding to 5454545454 its reverse (4545454545), we get a palindrome (9999999999).

Subtracting from 5454545454 its reverse (4545454545), we obtain a palindrome (909090909).

It can be divided in two parts, 54545 and 45454, that added together give a palindrome (99999).

The spelling of 5454545454 in words is "five billion, four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-four".