55533103 has 2 divisors, whose sum is σ = 55533104. Its totient is φ = 55533102.

The previous prime is 55533089. The next prime is 55533113. The reversal of 55533103 is 30133555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55533103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55533113) 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, 27766551 + 27766552.

It is an arithmetic number, because the mean of its divisors is an integer number (27766552).

Almost surely, 2^55533103 is an apocalyptic number.

55533103 is a deficient number, since it is larger than the sum of its proper divisors (1).

55533103 is an equidigital number, since it uses as much as digits as its factorization.

55533103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 55533103 is about 7452.0536095764. The cubic root of 55533103 is about 381.5200037378.

Adding to 55533103 its reverse (30133555), we get a palindrome (85666658).

The spelling of 55533103 in words is "fifty-five million, five hundred thirty-three thousand, one hundred three".