56550103 has 2 divisors, whose sum is σ = 56550104. Its totient is φ = 56550102.

The previous prime is 56550083. The next prime is 56550121. The reversal of 56550103 is 30105565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56550103 - 2¹⁷ = 56419031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56550163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28275051 + 28275052.

It is an arithmetic number, because the mean of its divisors is an integer number (28275052).

Almost surely, 2^56550103 is an apocalyptic number.

56550103 is a deficient number, since it is larger than the sum of its proper divisors (1).

56550103 is an equidigital number, since it uses as much as digits as its factorization.

56550103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 56550103 is about 7519.9802526336. The cubic root of 56550103 is about 383.8349057922.

Adding to 56550103 its reverse (30105565), we get a palindrome (86655668).

The spelling of 56550103 in words is "fifty-six million, five hundred fifty thousand, one hundred three".