545220555004 has 24 divisors (see below), whose sum is σ = 977288457600. Its totient is φ = 266061764400.

The previous prime is 545220554987. The next prime is 545220555023. The reversal of 545220555004 is 400555022545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8277472 + ... + 8343079.

It is an arithmetic number, because the mean of its divisors is an integer number (40720352400).

Almost surely, 2^545220555004 is an apocalyptic number.

It is an amenable number.

545220555004 is a deficient number, since it is larger than the sum of its proper divisors (432067902596).

545220555004 is a wasteful number, since it uses less digits than its factorization.

545220555004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16620753 (or 16620751 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 545220555004 its reverse (400555022545), we get a palindrome (945775577549).

The spelling of 545220555004 in words is "five hundred forty-five billion, two hundred twenty million, five hundred fifty-five thousand, four".