556551106 has 4 divisors (see below), whose sum is σ = 834826662. Its totient is φ = 278275552.

The previous prime is 556551101. The next prime is 556551131. The reversal of 556551106 is 601155655.

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

It can be written as a sum of positive squares in only one way, i.e., 520250481 + 36300625 = 22809^2 + 6025^2 .

It is not an unprimeable number, because it can be changed into a prime (556551101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139137775 + ... + 139137778.

Almost surely, 2^556551106 is an apocalyptic number.

556551106 is a deficient number, since it is larger than the sum of its proper divisors (278275556).

556551106 is a wasteful number, since it uses less digits than its factorization.

556551106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278275555.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 556551106 is about 23591.3354009475. The cubic root of 556551106 is about 822.5614461228.

The spelling of 556551106 in words is "five hundred fifty-six million, five hundred fifty-one thousand, one hundred six".