545454203505420 has 96 divisors (see below), whose sum is σ = 1666238440204800. Its totient is φ = 132221498076160.

The previous prime is 545454203505413. The next prime is 545454203505437. The reversal of 545454203505420 is 24505302454545.

It is a self number, because there is not a number n which added to its sum of digits gives 545454203505420.

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, 21807645 + ... + 39578804.

It is an arithmetic number, because the mean of its divisors is an integer number (17356650418800).

Almost surely, 2^{545454203505420} is an apocalyptic number.

It is an amenable number.

545454203505420 is an abundant number, since it is smaller than the sum of its proper divisors (1120784236699380).

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

545454203505420 is a wasteful number, since it uses less digits than its factorization.

545454203505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61399935 (or 61399933 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 48.

Adding to 545454203505420 its reverse (24505302454545), we get a palindrome (569959505959965).

The spelling of 545454203505420 in words is "five hundred forty-five trillion, four hundred fifty-four billion, two hundred three million, five hundred five thousand, four hundred twenty".