55845359 has 2 divisors, whose sum is σ = 55845360. Its totient is φ = 55845358.

The previous prime is 55845233. The next prime is 55845367. The reversal of 55845359 is 95354855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55845359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55845379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27922679 + 27922680.

It is an arithmetic number, because the mean of its divisors is an integer number (27922680).

Almost surely, 2^55845359 is an apocalyptic number.

55845359 is a deficient number, since it is larger than the sum of its proper divisors (1).

55845359 is an equidigital number, since it uses as much as digits as its factorization.

55845359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 44.

The square root of 55845359 is about 7472.9752441715. The cubic root of 55845359 is about 382.2337480969.

The spelling of 55845359 in words is "fifty-five million, eight hundred forty-five thousand, three hundred fifty-nine".