55535017 has 2 divisors, whose sum is σ = 55535018. Its totient is φ = 55535016.

The previous prime is 55535003. The next prime is 55535023. The reversal of 55535017 is 71053555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51108201 + 4426816 = 7149^2 + 2104^2 .

It is a cyclic number.

It is not a de Polignac number, because 55535017 - 2¹¹ = 55532969 is a prime.

It is a super-2 number, since 2×55535017² = 6168276226380578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55535017.

It is not a weakly prime, because it can be changed into another prime (55535047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27767508 + 27767509.

It is an arithmetic number, because the mean of its divisors is an integer number (27767509).

Almost surely, 2^55535017 is an apocalyptic number.

It is an amenable number.

55535017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55535017 is an equidigital number, since it uses as much as digits as its factorization.

55535017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55535017 is about 7452.1820294461. The cubic root of 55535017 is about 381.5243868346.

The spelling of 55535017 in words is "fifty-five million, five hundred thirty-five thousand, seventeen".