55327603 has 2 divisors, whose sum is σ = 55327604. Its totient is φ = 55327602.

The previous prime is 55327589. The next prime is 55327607. The reversal of 55327603 is 30672355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55327603 - 2⁹ = 55327091 is a prime.

It is a super-2 number, since 2×55327603² = 6122287307451218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55327607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27663801 + 27663802.

It is an arithmetic number, because the mean of its divisors is an integer number (27663802).

Almost surely, 2^55327603 is an apocalyptic number.

55327603 is a deficient number, since it is larger than the sum of its proper divisors (1).

55327603 is an equidigital number, since it uses as much as digits as its factorization.

55327603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 55327603 is about 7438.2526846027. The cubic root of 55327603 is about 381.0488176942.

Adding to 55327603 its reverse (30672355), we get a palindrome (85999958).

The spelling of 55327603 in words is "fifty-five million, three hundred twenty-seven thousand, six hundred three".