555264243 has 6 divisors (see below), whose sum is σ = 802048364. Its totient is φ = 370176156.

The previous prime is 555264239. The next prime is 555264277. The reversal of 555264243 is 342462555.

555264243 is a `hidden beast` number, since 5 + 5 + 5 + 2 + 642 + 4 + 3 = 666.

It is not a de Polignac number, because 555264243 - 2² = 555264239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555264198 and 555264207.

It is not an unprimeable number, because it can be changed into a prime (555264293) 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 in 5 ways as a sum of consecutive naturals, for example, 30848005 + ... + 30848022.

Almost surely, 2^555264243 is an apocalyptic number.

555264243 is a deficient number, since it is larger than the sum of its proper divisors (246784121).

555264243 is a wasteful number, since it uses less digits than its factorization.

555264243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61696033 (or 61696030 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 555264243 is about 23564.0455567375. The cubic root of 555264243 is about 821.9269786130.

The spelling of 555264243 in words is "five hundred fifty-five million, two hundred sixty-four thousand, two hundred forty-three".