54545455454 has 16 divisors (see below), whose sum is σ = 94557132000. Its totient is φ = 23113964544.

The previous prime is 54545455423. The next prime is 54545455501. The reversal of 54545455454 is 45455454545.

It is a happy number.

It is a super-2 number, since 2×54545455454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21886979 + ... + 21889470.

It is an arithmetic number, because the mean of its divisors is an integer number (5909820750).

Almost surely, 2^54545455454 is an apocalyptic number.

54545455454 is a deficient number, since it is larger than the sum of its proper divisors (40011676546).

54545455454 is a wasteful number, since it uses less digits than its factorization.

54545455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43776547.

The product of its digits is 16000000, while the sum is 50.

Subtracting from 54545455454 its reverse (45455454545), we obtain a palindrome (9090000909).

The spelling of 54545455454 in words is "fifty-four billion, five hundred forty-five million, four hundred fifty-five thousand, four hundred fifty-four".