55530301 has 2 divisors, whose sum is σ = 55530302. Its totient is φ = 55530300.

The previous prime is 55530289. The next prime is 55530317. The reversal of 55530301 is 10303555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 17214201 = 6190^2 + 4149^2 .

It is a cyclic number.

It is not a de Polignac number, because 55530301 - 2⁷ = 55530173 is a prime.

It is a super-2 number, since 2×55530301² = 6167228658301202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55530341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765150 + 27765151.

It is an arithmetic number, because the mean of its divisors is an integer number (27765151).

Almost surely, 2^55530301 is an apocalyptic number.

It is an amenable number.

55530301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530301 is an equidigital number, since it uses as much as digits as its factorization.

55530301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 55530301 is about 7451.8656053367. The cubic root of 55530301 is about 381.5135869223.

Adding to 55530301 its reverse (10303555), we get a palindrome (65833856).

The spelling of 55530301 in words is "fifty-five million, five hundred thirty thousand, three hundred one".