555213400443 has 24 divisors (see below), whose sum is σ = 865538834160. Its totient is φ = 340928602560.

The previous prime is 555213400393. The next prime is 555213400453. The reversal of 555213400443 is 344004312555.

555213400443 is a `hidden beast` number, since 55 + 521 + 3 + 40 + 0 + 4 + 43 = 666.

It is not a de Polignac number, because 555213400443 - 2⁸ = 555213400187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555213400398 and 555213400407.

It is not an unprimeable number, because it can be changed into a prime (555213400453) 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, 5092933 + ... + 5200806.

It is an arithmetic number, because the mean of its divisors is an integer number (36064118090).

Almost surely, 2^555213400443 is an apocalyptic number.

555213400443 is a deficient number, since it is larger than the sum of its proper divisors (310325433717).

555213400443 is a wasteful number, since it uses less digits than its factorization.

555213400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294219 (or 10294216 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 555213400443 its reverse (344004312555), we get a palindrome (899217712998).

The spelling of 555213400443 in words is "five hundred fifty-five billion, two hundred thirteen million, four hundred thousand, four hundred forty-three".