55102417 has 2 divisors, whose sum is σ = 55102418. Its totient is φ = 55102416.

The previous prime is 55102387. The next prime is 55102427. The reversal of 55102417 is 71420155.

55102417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 21566736 = 5791^2 + 4644^2 .

It is a cyclic number.

It is not a de Polignac number, because 55102417 - 2¹¹ = 55100369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55102391 and 55102400.

It is not a weakly prime, because it can be changed into another prime (55102427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551208 + 27551209.

It is an arithmetic number, because the mean of its divisors is an integer number (27551209).

Almost surely, 2^55102417 is an apocalyptic number.

It is an amenable number.

55102417 is a deficient number, since it is larger than the sum of its proper divisors (1).

55102417 is an equidigital number, since it uses as much as digits as its factorization.

55102417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 55102417 is about 7423.1002283413. The cubic root of 55102417 is about 380.5311524239.

The spelling of 55102417 in words is "fifty-five million, one hundred two thousand, four hundred seventeen".