555105056004 has 18 divisors (see below), whose sum is σ = 1403182224990. Its totient is φ = 185035018656.

The previous prime is 555105056003. The next prime is 555105056017. The reversal of 555105056004 is 400650501555.

555105056004 is a `hidden beast` number, since 5 + 551 + 0 + 50 + 56 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 554429160000 + 675896004 = 744600^2 + 25998^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15419584889 = 555105056004 / (5 + 5 + 5 + 1 + 0 + 5 + 0 + 5 + 6 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 555105056004.

It is not an unprimeable number, because it can be changed into a prime (555105056003) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7709792409 + ... + 7709792480.

It is an arithmetic number, because the mean of its divisors is an integer number (77954568055).

Almost surely, 2^555105056004 is an apocalyptic number.

It is an amenable number.

555105056004 is an abundant number, since it is smaller than the sum of its proper divisors (848077168986).

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

555105056004 is a wasteful number, since it uses less digits than its factorization.

555105056004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15419584899 (or 15419584894 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 555105056004 its reverse (400650501555), we get a palindrome (955755557559).

The spelling of 555105056004 in words is "five hundred fifty-five billion, one hundred five million, fifty-six thousand, four".