5501855389 has 2 divisors, whose sum is σ = 5501855390. Its totient is φ = 5501855388.

The previous prime is 5501855383. The next prime is 5501855399. The reversal of 5501855389 is 9835581055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5168172100 + 333683289 = 71890^2 + 18267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5501855389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5501855383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750927694 + 2750927695.

It is an arithmetic number, because the mean of its divisors is an integer number (2750927695).

Almost surely, 2^5501855389 is an apocalyptic number.

It is an amenable number.

5501855389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5501855389 is an equidigital number, since it uses as much as digits as its factorization.

5501855389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080000, while the sum is 49.

The square root of 5501855389 is about 74174.4928462608. The cubic root of 5501855389 is about 1765.3726353313.

The spelling of 5501855389 in words is "five billion, five hundred one million, eight hundred fifty-five thousand, three hundred eighty-nine".