556403361 has 8 divisors (see below), whose sum is σ = 745111680. Its totient is φ = 369315312.

The previous prime is 556403339. The next prime is 556403369. The reversal of 556403361 is 163304655.

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

It is not a de Polignac number, because 556403361 - 2⁶ = 556403297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556403369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404265 + ... + 405638.

It is an arithmetic number, because the mean of its divisors is an integer number (93138960).

Almost surely, 2^556403361 is an apocalyptic number.

It is an amenable number.

556403361 is a deficient number, since it is larger than the sum of its proper divisors (188708319).

556403361 is a wasteful number, since it uses less digits than its factorization.

556403361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810135.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 556403361 is about 23588.2038527735. The cubic root of 556403361 is about 822.4886525105.

The spelling of 556403361 in words is "five hundred fifty-six million, four hundred three thousand, three hundred sixty-one".