5555667890 has 32 divisors (see below), whose sum is σ = 10143463680. Its totient is φ = 2190524544.

The previous prime is 5555667877. The next prime is 5555667899. The reversal of 5555667890 is 987665555.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5555667899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502502 + ... + 513438.

It is an arithmetic number, because the mean of its divisors is an integer number (316983240).

Almost surely, 2^5555667890 is an apocalyptic number.

5555667890 is a deficient number, since it is larger than the sum of its proper divisors (4587795790).

5555667890 is a wasteful number, since it uses less digits than its factorization.

5555667890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666.

The product of its (nonzero) digits is 11340000, while the sum is 56.

The square root of 5555667890 is about 74536.3528085457. The cubic root of 5555667890 is about 1771.1095525399.

The spelling of 5555667890 in words is "five billion, five hundred fifty-five million, six hundred sixty-seven thousand, eight hundred ninety".