5556401 has 8 divisors (see below), whose sum is σ = 5738304. Its totient is φ = 5376240.

The previous prime is 5556391. The next prime is 5556407. The reversal of 5556401 is 1046555.

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 5556401 - 2⁶ = 5556337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556407) 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, 9446 + ... + 10016.

It is an arithmetic number, because the mean of its divisors is an integer number (717288).

Almost surely, 2^5556401 is an apocalyptic number.

It is an amenable number.

5556401 is a deficient number, since it is larger than the sum of its proper divisors (181903).

5556401 is a wasteful number, since it uses less digits than its factorization.

5556401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5556401 is about 2357.2019429824. The cubic root of 5556401 is about 177.1187452626.

The spelling of 5556401 in words is "five million, five hundred fifty-six thousand, four hundred one".