556480401 has 4 divisors (see below), whose sum is σ = 741973872. Its totient is φ = 370986932.

The previous prime is 556480399. The next prime is 556480403. The reversal of 556480401 is 104084655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (556480399) and next prime (556480403).

It is a cyclic number.

It is not a de Polignac number, because 556480401 - 2¹ = 556480399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556480403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92746731 + ... + 92746736.

It is an arithmetic number, because the mean of its divisors is an integer number (185493468).

Almost surely, 2^556480401 is an apocalyptic number.

It is an amenable number.

556480401 is a deficient number, since it is larger than the sum of its proper divisors (185493471).

556480401 is a wasteful number, since it uses less digits than its factorization.

556480401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185493470.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 556480401 is about 23589.8368158832. The cubic root of 556480401 is about 822.5266115440.

The spelling of 556480401 in words is "five hundred fifty-six million, four hundred eighty thousand, four hundred one".