555400222945 has 4 divisors (see below), whose sum is σ = 666480267540. Its totient is φ = 444320178352.

The previous prime is 555400222849. The next prime is 555400222957. The reversal of 555400222945 is 549222004555.

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

It can be written as a sum of positive squares in 2 ways, for example, as 154345265424 + 401054957521 = 392868^2 + 633289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555400222945 is a prime.

It is a super-3 number, since 3×555400222945³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55540022290 + ... + 55540022299.

It is an arithmetic number, because the mean of its divisors is an integer number (166620066885).

Almost surely, 2^555400222945 is an apocalyptic number.

It is an amenable number.

555400222945 is a deficient number, since it is larger than the sum of its proper divisors (111080044595).

555400222945 is a wasteful number, since it uses less digits than its factorization.

555400222945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111080044594.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 555400222945 in words is "five hundred fifty-five billion, four hundred million, two hundred twenty-two thousand, nine hundred forty-five".