55310617 has 2 divisors, whose sum is σ = 55310618. Its totient is φ = 55310616.

The previous prime is 55310581. The next prime is 55310621. The reversal of 55310617 is 71601355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54819216 + 491401 = 7404^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 55310617 - 2²³ = 46922009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55310677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655308 + 27655309.

It is an arithmetic number, because the mean of its divisors is an integer number (27655309).

Almost surely, 2^55310617 is an apocalyptic number.

It is an amenable number.

55310617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55310617 is an equidigital number, since it uses as much as digits as its factorization.

55310617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55310617 is about 7437.1107965392. The cubic root of 55310617 is about 381.0098187296.

The spelling of 55310617 in words is "fifty-five million, three hundred ten thousand, six hundred seventeen".