55274903 has 2 divisors, whose sum is σ = 55274904. Its totient is φ = 55274902.

The previous prime is 55274893. The next prime is 55274959. The reversal of 55274903 is 30947255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55274903 - 2⁴ = 55274887 is a prime.

It is a Sophie Germain prime.

It is equal to p_3297662 and since 55274903 and 3297662 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 (55274993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27637451 + 27637452.

It is an arithmetic number, because the mean of its divisors is an integer number (27637452).

Almost surely, 2^55274903 is an apocalyptic number.

55274903 is a deficient number, since it is larger than the sum of its proper divisors (1).

55274903 is an equidigital number, since it uses as much as digits as its factorization.

55274903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55274903 is about 7434.7093419985. The cubic root of 55274903 is about 380.9277952097.

The spelling of 55274903 in words is "fifty-five million, two hundred seventy-four thousand, nine hundred three".