556165045 has 8 divisors (see below), whose sum is σ = 690411960. Its totient is φ = 429589440.

The previous prime is 556165039. The next prime is 556165061. The reversal of 556165045 is 540561655.

556165045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 134026929 + 422138116 = 11577^2 + 20546^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 556165045 - 2³ = 556165037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556164995 and 556165013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917666 + ... + 1917955.

It is an arithmetic number, because the mean of its divisors is an integer number (86301495).

Almost surely, 2^556165045 is an apocalyptic number.

It is an amenable number.

556165045 is a deficient number, since it is larger than the sum of its proper divisors (134246915).

556165045 is a wasteful number, since it uses less digits than its factorization.

556165045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835655.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 556165045 is about 23583.1517189709. The cubic root of 556165045 is about 822.3712076188.

The spelling of 556165045 in words is "five hundred fifty-six million, one hundred sixty-five thousand, forty-five".