55443301 has 2 divisors, whose sum is σ = 55443302. Its totient is φ = 55443300.

The previous prime is 55443287. The next prime is 55443329. The reversal of 55443301 is 10334455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 1052676 = 7375^2 + 1026^2 .

It is a cyclic number.

It is not a de Polignac number, because 55443301 - 2¹³ = 55435109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55443361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27721650 + 27721651.

It is an arithmetic number, because the mean of its divisors is an integer number (27721651).

Almost surely, 2^55443301 is an apocalyptic number.

It is an amenable number.

55443301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55443301 is an equidigital number, since it uses as much as digits as its factorization.

55443301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55443301 is about 7446.0258527620. The cubic root of 55443301 is about 381.3142421171.

Adding to 55443301 its reverse (10334455), we get a palindrome (65777756).

The spelling of 55443301 in words is "fifty-five million, four hundred forty-three thousand, three hundred one".