55580159 has 2 divisors, whose sum is σ = 55580160. Its totient is φ = 55580158.

The previous prime is 55580141. The next prime is 55580171. The reversal of 55580159 is 95108555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55580159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55580059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790079 + 27790080.

It is an arithmetic number, because the mean of its divisors is an integer number (27790080).

Almost surely, 2^55580159 is an apocalyptic number.

55580159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55580159 is an equidigital number, since it uses as much as digits as its factorization.

55580159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 38.

The square root of 55580159 is about 7455.2101915372. The cubic root of 55580159 is about 381.6277336979.

The spelling of 55580159 in words is "fifty-five million, five hundred eighty thousand, one hundred fifty-nine".