555412231 has 16 divisors (see below), whose sum is σ = 615858048. Its totient is φ = 496692000.

The previous prime is 555412229. The next prime is 555412241. The reversal of 555412231 is 132214555.

It is a cyclic number.

It is not a de Polignac number, because 555412231 - 2¹ = 555412229 is a prime.

It is a super-2 number, since 2×555412231² = 616965492688794722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555412231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555412241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179560 + ... + 182626.

It is an arithmetic number, because the mean of its divisors is an integer number (38491128).

Almost surely, 2^555412231 is an apocalyptic number.

555412231 is a deficient number, since it is larger than the sum of its proper divisors (60445817).

555412231 is a wasteful number, since it uses less digits than its factorization.

555412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 6000, while the sum is 28.

The square root of 555412231 is about 23567.1854704799. The cubic root of 555412231 is about 821.9999916134. Note that the first 5 decimals are identical.

Adding to 555412231 its reverse (132214555), we get a palindrome (687626786).

The spelling of 555412231 in words is "five hundred fifty-five million, four hundred twelve thousand, two hundred thirty-one".