556106361 has 4 divisors (see below), whose sum is σ = 741475152. Its totient is φ = 370737572.

The previous prime is 556106347. The next prime is 556106371. The reversal of 556106361 is 163601655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556106361 - 2⁶ = 556106297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556106371) 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, 92684391 + ... + 92684396.

It is an arithmetic number, because the mean of its divisors is an integer number (185368788).

Almost surely, 2^556106361 is an apocalyptic number.

It is an amenable number.

556106361 is a deficient number, since it is larger than the sum of its proper divisors (185368791).

556106361 is a wasteful number, since it uses less digits than its factorization.

556106361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185368790.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 556106361 is about 23581.9074928217. The cubic root of 556106361 is about 822.3422823146.

The spelling of 556106361 in words is "five hundred fifty-six million, one hundred six thousand, three hundred sixty-one".