555125422 has 4 divisors (see below), whose sum is σ = 832688136. Its totient is φ = 277562710.

The previous prime is 555125419. The next prime is 555125423. The reversal of 555125422 is 224521555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555125423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138781354 + ... + 138781357.

It is an arithmetic number, because the mean of its divisors is an integer number (208172034).

Almost surely, 2^555125422 is an apocalyptic number.

555125422 is a deficient number, since it is larger than the sum of its proper divisors (277562714).

555125422 is a wasteful number, since it uses less digits than its factorization.

555125422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277562713.

The product of its digits is 20000, while the sum is 31.

The square root of 555125422 is about 23561.0997621079. The cubic root of 555125422 is about 821.8584765520.

Adding to 555125422 its reverse (224521555), we get a palindrome (779646977).

The spelling of 555125422 in words is "five hundred fifty-five million, one hundred twenty-five thousand, four hundred twenty-two".