56400103 has 2 divisors, whose sum is σ = 56400104. Its totient is φ = 56400102.

The previous prime is 56400079. The next prime is 56400121. The reversal of 56400103 is 30100465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56400103 - 2¹³ = 56391911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56400503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28200051 + 28200052.

It is an arithmetic number, because the mean of its divisors is an integer number (28200052).

Almost surely, 2^56400103 is an apocalyptic number.

56400103 is a deficient number, since it is larger than the sum of its proper divisors (1).

56400103 is an equidigital number, since it uses as much as digits as its factorization.

56400103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 56400103 is about 7510.0001997337. Note that the first 3 decimals coincide. The cubic root of 56400103 is about 383.4952293262.

Adding to 56400103 its reverse (30100465), we get a palindrome (86500568).

The spelling of 56400103 in words is "fifty-six million, four hundred thousand, one hundred three".