55611653 has 2 divisors, whose sum is σ = 55611654. Its totient is φ = 55611652.

The previous prime is 55611643. The next prime is 55611659. The reversal of 55611653 is 35611655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 2365444 = 7297^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 55611653 - 2⁴ = 55611637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55611659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805826 + 27805827.

It is an arithmetic number, because the mean of its divisors is an integer number (27805827).

Almost surely, 2^55611653 is an apocalyptic number.

It is an amenable number.

55611653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55611653 is an equidigital number, since it uses as much as digits as its factorization.

55611653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 32.

The square root of 55611653 is about 7457.3221064937. The cubic root of 55611653 is about 381.6998020680.

The spelling of 55611653 in words is "fifty-five million, six hundred eleven thousand, six hundred fifty-three".