55000369 has 2 divisors, whose sum is σ = 55000370. Its totient is φ = 55000368.

The previous prime is 55000357. The next prime is 55000403. The reversal of 55000369 is 96300055.

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., 49168144 + 5832225 = 7012^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 55000369 - 2²¹ = 52903217 is a prime.

It is a super-2 number, since 2×55000369² = 6050081180272322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500184 + 27500185.

It is an arithmetic number, because the mean of its divisors is an integer number (27500185).

Almost surely, 2^55000369 is an apocalyptic number.

It is an amenable number.

55000369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000369 is an equidigital number, since it uses as much as digits as its factorization.

55000369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 55000369 is about 7416.2233650289. The cubic root of 55000369 is about 380.2960965527.

The spelling of 55000369 in words is "fifty-five million, three hundred sixty-nine", and thus it is an aban number.