55000633 has 2 divisors, whose sum is σ = 55000634. Its totient is φ = 55000632.

The previous prime is 55000607. The next prime is 55000643. The reversal of 55000633 is 33600055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 17875984 = 6093^2 + 4228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000633 is a prime.

It is not a weakly prime, because it can be changed into another prime (55000643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500316 + 27500317.

It is an arithmetic number, because the mean of its divisors is an integer number (27500317).

Almost surely, 2^55000633 is an apocalyptic number.

It is an amenable number.

55000633 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000633 is an equidigital number, since it uses as much as digits as its factorization.

55000633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 55000633 is about 7416.2411638242. The cubic root of 55000633 is about 380.2967050214.

Adding to 55000633 its reverse (33600055), we get a palindrome (88600688).

The spelling of 55000633 in words is "fifty-five million, six hundred thirty-three", and thus it is an aban number.