55530380359 has 2 divisors, whose sum is σ = 55530380360. Its totient is φ = 55530380358.

The previous prime is 55530380317. The next prime is 55530380369. The reversal of 55530380359 is 95308303555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55530380359 - 2⁹ = 55530379847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55530380369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765190179 + 27765190180.

It is an arithmetic number, because the mean of its divisors is an integer number (27765190180).

Almost surely, 2^55530380359 is an apocalyptic number.

55530380359 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530380359 is an equidigital number, since it uses as much as digits as its factorization.

55530380359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215000, while the sum is 46.

The spelling of 55530380359 in words is "fifty-five billion, five hundred thirty million, three hundred eighty thousand, three hundred fifty-nine".