55175503 has 2 divisors, whose sum is σ = 55175504. Its totient is φ = 55175502.

The previous prime is 55175479. The next prime is 55175539. The reversal of 55175503 is 30557155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55175503 - 2⁹ = 55174991 is a prime.

It is a super-2 number, since 2×55175503² = 6088672262606018, which contains 22 as substring.

It is equal to p_3292078 and since 55175503 and 3292078 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55175543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27587751 + 27587752.

It is an arithmetic number, because the mean of its divisors is an integer number (27587752).

Almost surely, 2^55175503 is an apocalyptic number.

55175503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55175503 is an equidigital number, since it uses as much as digits as its factorization.

55175503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55175503 is about 7428.0214727746. The cubic root of 55175503 is about 380.6993193531.

The spelling of 55175503 in words is "fifty-five million, one hundred seventy-five thousand, five hundred three".