556404461 has 8 divisors (see below), whose sum is σ = 575520000. Its totient is φ = 537361920.

The previous prime is 556404451. The next prime is 556404479. The reversal of 556404461 is 164404655.

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

It is a cyclic number.

It is not a de Polignac number, because 556404461 - 2¹⁸ = 556142317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556404451) 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, 2516 + ... + 33453.

It is an arithmetic number, because the mean of its divisors is an integer number (71940000).

Almost surely, 2^556404461 is an apocalyptic number.

It is an amenable number.

556404461 is a deficient number, since it is larger than the sum of its proper divisors (19115539).

556404461 is a wasteful number, since it uses less digits than its factorization.

556404461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36499.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 556404461 is about 23588.2271695013. The cubic root of 556404461 is about 822.4891945255.

The spelling of 556404461 in words is "five hundred fifty-six million, four hundred four thousand, four hundred sixty-one".