555850129 has 4 divisors (see below), whose sum is σ = 556416576. Its totient is φ = 555283684.

The previous prime is 555850067. The next prime is 555850189. The reversal of 555850129 is 921058555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555850129 - 2²⁹ = 18979217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555850091 and 555850100.

It is not an unprimeable number, because it can be changed into a prime (555850189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281749 + ... + 283714.

It is an arithmetic number, because the mean of its divisors is an integer number (139104144).

Almost surely, 2^555850129 is an apocalyptic number.

It is an amenable number.

555850129 is a deficient number, since it is larger than the sum of its proper divisors (566447).

555850129 is an equidigital number, since it uses as much as digits as its factorization.

555850129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566446.

The product of its (nonzero) digits is 90000, while the sum is 40.

The square root of 555850129 is about 23576.4740578399. The cubic root of 555850129 is about 822.2159618879.

The spelling of 555850129 in words is "five hundred fifty-five million, eight hundred fifty thousand, one hundred twenty-nine".