55001032103 has 2 divisors, whose sum is σ = 55001032104. Its totient is φ = 55001032102.

The previous prime is 55001032087. The next prime is 55001032123. The reversal of 55001032103 is 30123010055.

55001032103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (55001032123) can be obtained adding 55001032103 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55001032103 - 2⁴ = 55001032087 is a prime.

It is a super-2 number, since 2×55001032103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55001032123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500516051 + 27500516052.

It is an arithmetic number, because the mean of its divisors is an integer number (27500516052).

Almost surely, 2^55001032103 is an apocalyptic number.

55001032103 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001032103 is an equidigital number, since it uses as much as digits as its factorization.

55001032103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 55001032103 its reverse (30123010055), we get a palindrome (85124042158).

The spelling of 55001032103 in words is "fifty-five billion, one million, thirty-two thousand, one hundred three".