555639106 has 16 divisors (see below), whose sum is σ = 948760128. Its totient is φ = 241582000.

The previous prime is 555639089. The next prime is 555639109. The reversal of 555639106 is 601936555.

It is a super-2 number, since 2×555639106² = 617469632232958472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555639109) 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 7 ways as a sum of consecutive naturals, for example, 548545 + ... + 549556.

It is an arithmetic number, because the mean of its divisors is an integer number (59297508).

Almost surely, 2^555639106 is an apocalyptic number.

555639106 is a deficient number, since it is larger than the sum of its proper divisors (393121022).

555639106 is a wasteful number, since it uses less digits than its factorization.

555639106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098137.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 555639106 is about 23571.9983454946. The cubic root of 555639106 is about 822.1119000007. Note that the first 3 decimals are identical.

The spelling of 555639106 in words is "five hundred fifty-five million, six hundred thirty-nine thousand, one hundred six".