556402193 has 4 divisors (see below), whose sum is σ = 556927668. Its totient is φ = 555876720.

The previous prime is 556402181. The next prime is 556402201. The reversal of 556402193 is 391204655.

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 318872449 + 237529744 = 17857^2 + 15412^2 .

It is a cyclic number.

It is not a de Polignac number, because 556402193 - 2¹² = 556398097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556402123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261146 + ... + 263267.

It is an arithmetic number, because the mean of its divisors is an integer number (139231917).

Almost surely, 2^556402193 is an apocalyptic number.

It is an amenable number.

556402193 is a deficient number, since it is larger than the sum of its proper divisors (525475).

556402193 is a wasteful number, since it uses less digits than its factorization.

556402193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525474.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 556402193 is about 23588.1790946228. The cubic root of 556402193 is about 822.4880769883.

The spelling of 556402193 in words is "five hundred fifty-six million, four hundred two thousand, one hundred ninety-three".