56408203 has 2 divisors, whose sum is σ = 56408204. Its totient is φ = 56408202.

The previous prime is 56408179. The next prime is 56408237. The reversal of 56408203 is 30280465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56408203 - 2¹³ = 56400011 is a prime.

It is not a weakly prime, because it can be changed into another prime (56408273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204101 + 28204102.

It is an arithmetic number, because the mean of its divisors is an integer number (28204102).

Almost surely, 2^56408203 is an apocalyptic number.

56408203 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408203 is an equidigital number, since it uses as much as digits as its factorization.

56408203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 56408203 is about 7510.5394613170. The cubic root of 56408203 is about 383.5135872280.

Adding to 56408203 its reverse (30280465), we get a palindrome (86688668).

The spelling of 56408203 in words is "fifty-six million, four hundred eight thousand, two hundred three".