555375481 has 2 divisors, whose sum is σ = 555375482. Its totient is φ = 555375480.

The previous prime is 555375413. The next prime is 555375511. The reversal of 555375481 is 184573555.

It is a happy number.

555375481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506655081 + 48720400 = 22509^2 + 6980^2 .

It is a cyclic number.

It is not a de Polignac number, because 555375481 - 2²¹ = 553278329 is a prime.

It is a super-2 number, since 2×555375481² = 616883849791962722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555375581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277687740 + 277687741.

It is an arithmetic number, because the mean of its divisors is an integer number (277687741).

Almost surely, 2^555375481 is an apocalyptic number.

It is an amenable number.

555375481 is a deficient number, since it is larger than the sum of its proper divisors (1).

555375481 is an equidigital number, since it uses as much as digits as its factorization.

555375481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The square root of 555375481 is about 23566.4057717761. The cubic root of 555375481 is about 821.9818614365.

The spelling of 555375481 in words is "five hundred fifty-five million, three hundred seventy-five thousand, four hundred eighty-one".