556649602 has 8 divisors (see below), whose sum is σ = 835327116. Its totient is φ = 278207232.

The previous prime is 556649573. The next prime is 556649603. The reversal of 556649602 is 206946655.

It can be written as a sum of positive squares in 2 ways, for example, as 453647401 + 103002201 = 21299^2 + 10149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (556649603) 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, 52743 + ... + 62410.

Almost surely, 2^556649602 is an apocalyptic number.

556649602 is a deficient number, since it is larger than the sum of its proper divisors (278677514).

556649602 is a wasteful number, since it uses less digits than its factorization.

556649602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117572.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 556649602 is about 23593.4228546856. The cubic root of 556649602 is about 822.6099677125.

The spelling of 556649602 in words is "five hundred fifty-six million, six hundred forty-nine thousand, six hundred two".