55130611 has 2 divisors, whose sum is σ = 55130612. Its totient is φ = 55130610.

The previous prime is 55130557. The next prime is 55130627. The reversal of 55130611 is 11603155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55130611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55130651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27565305 + 27565306.

It is an arithmetic number, because the mean of its divisors is an integer number (27565306).

Almost surely, 2^55130611 is an apocalyptic number.

55130611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55130611 is an equidigital number, since it uses as much as digits as its factorization.

55130611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 55130611 is about 7424.9990572390. Note that the first 3 decimals coincide. The cubic root of 55130611 is about 380.5960428987.

Adding to 55130611 its reverse (11603155), we get a palindrome (66733766).

The spelling of 55130611 in words is "fifty-five million, one hundred thirty thousand, six hundred eleven".