555308434021 has 24 divisors (see below), whose sum is σ = 630622347264. Its totient is φ = 488112900000.

The previous prime is 555308434003. The next prime is 555308434033. The reversal of 555308434021 is 120434803555.

It is not a de Polignac number, because 555308434021 - 2¹¹ = 555308431973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555308434721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4253091 + ... + 4381711.

It is an arithmetic number, because the mean of its divisors is an integer number (26275931136).

Almost surely, 2^555308434021 is an apocalyptic number.

It is an amenable number.

555308434021 is a deficient number, since it is larger than the sum of its proper divisors (75313913243).

555308434021 is a wasteful number, since it uses less digits than its factorization.

555308434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129825 (or 129814 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 555308434021 in words is "five hundred fifty-five billion, three hundred eight million, four hundred thirty-four thousand, twenty-one".