556597642 has 8 divisors (see below), whose sum is σ = 836010432. Its totient is φ = 277927500.

The previous prime is 556597621. The next prime is 556597651. The reversal of 556597642 is 246795655.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183784 + ... + 186787.

It is an arithmetic number, because the mean of its divisors is an integer number (104501304).

Almost surely, 2^556597642 is an apocalyptic number.

556597642 is a deficient number, since it is larger than the sum of its proper divisors (279412790).

556597642 is a wasteful number, since it uses less digits than its factorization.

556597642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371324.

The product of its digits is 2268000, while the sum is 49.

The square root of 556597642 is about 23592.3216746466. The cubic root of 556597642 is about 822.5843716321.

The spelling of 556597642 in words is "five hundred fifty-six million, five hundred ninety-seven thousand, six hundred forty-two".