5555840347 has 4 divisors (see below), whose sum is σ = 5626167520. Its totient is φ = 5485513176.

The previous prime is 5555840281. The next prime is 5555840351. The reversal of 5555840347 is 7430485555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5555840347 - 2¹⁹ = 5555316059 is a prime.

It is a super-2 number, since 2×5555840347² = 61734723922706160818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5555840297 and 5555840306.

It is not an unprimeable number, because it can be changed into a prime (5555840357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35163468 + ... + 35163625.

It is an arithmetic number, because the mean of its divisors is an integer number (1406541880).

Almost surely, 2^5555840347 is an apocalyptic number.

5555840347 is a deficient number, since it is larger than the sum of its proper divisors (70327173).

5555840347 is an equidigital number, since it uses as much as digits as its factorization.

5555840347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70327172.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The square root of 5555840347 is about 74537.5096645977. The cubic root of 5555840347 is about 1771.1278783941.

The spelling of 5555840347 in words is "five billion, five hundred fifty-five million, eight hundred forty thousand, three hundred forty-seven".