54545454545454 has 64 divisors (see below), whose sum is σ = 121745600640000. Its totient is φ = 18101829170880.

The previous prime is 54545454545423. The next prime is 54545454545467. The reversal of 54545454545454 is 45454545454545.

54545454545454 is a `hidden beast` number, since 5 + 4 + 5 + 4 + 5 + 4 + 545 + 45 + 45 + 4 = 666.

54545454545454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×54545454545454² (a number of 28 digits) contains 22 as substring.

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

54545454545454 is an undulating number in base 10.

54545454545454 is a modest number, since divided by 54545454 gives 545454 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 54545454545391 and 54545454545400.

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, 59545449 + ... + 60454539.

It is an arithmetic number, because the mean of its divisors is an integer number (1902275010000).

Almost surely, 2^{54545454545454} is an apocalyptic number.

54545454545454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54545454545454 is an abundant number, since it is smaller than the sum of its proper divisors (67200146094546).

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

54545454545454 is a wasteful number, since it uses less digits than its factorization.

54545454545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913990 (or 913984 counting only the distinct ones).

The product of its digits is 1280000000, while the sum is 63.

Adding to 54545454545454 its reverse (45454545454545), we get a palindrome (99999999999999).

Subtracting from 54545454545454 its reverse (45454545454545), we obtain a palindrome (9090909090909).

It can be divided in two parts, 5454545 and 4545454, that added together give a palindrome (9999999).

The spelling of 54545454545454 in words is "fifty-four trillion, five hundred forty-five billion, four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-four".