55605101 has 2 divisors, whose sum is σ = 55605102. Its totient is φ = 55605100.

The previous prime is 55605073. The next prime is 55605107. The reversal of 55605101 is 10150655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47596201 + 8008900 = 6899^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 55605101 - 2¹⁴ = 55588717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55605107) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802550 + 27802551.

It is an arithmetic number, because the mean of its divisors is an integer number (27802551).

Almost surely, 2^55605101 is an apocalyptic number.

It is an amenable number.

55605101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55605101 is an equidigital number, since it uses as much as digits as its factorization.

55605101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 55605101 is about 7456.8827937685. The cubic root of 55605101 is about 381.6848112331.

Adding to 55605101 its reverse (10150655), we get a palindrome (65755756).

The spelling of 55605101 in words is "fifty-five million, six hundred five thousand, one hundred one".