555830638 has 16 divisors (see below), whose sum is σ = 909909936. Its totient is φ = 252547840.

The previous prime is 555830629. The next prime is 555830641. The reversal of 555830638 is 836038555.

It is a junction number, because it is equal to n+sod(n) for n = 555830594 and 555830603.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 87870 + ... + 93982.

It is an arithmetic number, because the mean of its divisors is an integer number (56869371).

Almost surely, 2^555830638 is an apocalyptic number.

555830638 is a deficient number, since it is larger than the sum of its proper divisors (354079298).

555830638 is a wasteful number, since it uses less digits than its factorization.

555830638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 555830638 is about 23576.0606972412. The cubic root of 555830638 is about 822.2063513845.

The spelling of 555830638 in words is "five hundred fifty-five million, eight hundred thirty thousand, six hundred thirty-eight".