55655029099 has 2 divisors, whose sum is σ = 55655029100. Its totient is φ = 55655029098.

The previous prime is 55655029069. The next prime is 55655029103. The reversal of 55655029099 is 99092055655.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55655029099 - 2¹⁹ = 55654504811 is a prime.

It is not a weakly prime, because it can be changed into another prime (55655029019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827514549 + 27827514550.

It is an arithmetic number, because the mean of its divisors is an integer number (27827514550).

Almost surely, 2^55655029099 is an apocalyptic number.

55655029099 is a deficient number, since it is larger than the sum of its proper divisors (1).

55655029099 is an equidigital number, since it uses as much as digits as its factorization.

55655029099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5467500, while the sum is 55.

The spelling of 55655029099 in words is "fifty-five billion, six hundred fifty-five million, twenty-nine thousand, ninety-nine".