556068401 has 16 divisors (see below), whose sum is σ = 664492800. Its totient is φ = 455837184.

The previous prime is 556068397. The next prime is 556068413. The reversal of 556068401 is 104860655.

It is a happy number.

It is not a de Polignac number, because 556068401 - 2² = 556068397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556068431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81905 + ... + 88433.

It is an arithmetic number, because the mean of its divisors is an integer number (41530800).

Almost surely, 2^556068401 is an apocalyptic number.

It is an amenable number.

556068401 is a deficient number, since it is larger than the sum of its proper divisors (108424399).

556068401 is an frugal number, since it uses more digits than its factorization.

556068401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605 (or 6559 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 556068401 is about 23581.1026247714. The cubic root of 556068401 is about 822.3235707721.

The spelling of 556068401 in words is "five hundred fifty-six million, sixty-eight thousand, four hundred one".