55335361 has 2 divisors, whose sum is σ = 55335362. Its totient is φ = 55335360.

The previous prime is 55335359. The next prime is 55335377. The reversal of 55335361 is 16353355.

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., 55219761 + 115600 = 7431^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 55335361 - 2¹ = 55335359 is a prime.

Together with 55335359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55336361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667680 + 27667681.

It is an arithmetic number, because the mean of its divisors is an integer number (27667681).

Almost surely, 2^55335361 is an apocalyptic number.

It is an amenable number.

55335361 is a deficient number, since it is larger than the sum of its proper divisors (1).

55335361 is an equidigital number, since it uses as much as digits as its factorization.

55335361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 31.

The square root of 55335361 is about 7438.7741597658. The cubic root of 55335361 is about 381.0666269998.

It can be divided in two parts, 55335 and 361, that added together give a square (55696 = 236²).

The spelling of 55335361 in words is "fifty-five million, three hundred thirty-five thousand, three hundred sixty-one".