55430159 has 2 divisors, whose sum is σ = 55430160. Its totient is φ = 55430158.

The previous prime is 55430153. The next prime is 55430203. The reversal of 55430159 is 95103455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55430159 - 2¹⁶ = 55364623 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 (55430153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27715079 + 27715080.

It is an arithmetic number, because the mean of its divisors is an integer number (27715080).

Almost surely, 2^55430159 is an apocalyptic number.

55430159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55430159 is an equidigital number, since it uses as much as digits as its factorization.

55430159 is an evil number, because the sum of its binary digits is even.

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

The square root of 55430159 is about 7445.1433162834. The cubic root of 55430159 is about 381.2841114690.

The spelling of 55430159 in words is "fifty-five million, four hundred thirty thousand, one hundred fifty-nine".