5556026989 has 8 divisors (see below), whose sum is σ = 5886020088. Its totient is φ = 5226385920.

The previous prime is 5556026977. The next prime is 5556027073. The reversal of 5556026989 is 9896206555.

It can be written as a sum of positive squares in 4 ways, for example, as 1124462089 + 4431564900 = 33533^2 + 66570^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556026989 is a prime.

It is a super-2 number, since 2×5556026989² = 61738871804992812242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556026929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55152 + ... + 118969.

It is an arithmetic number, because the mean of its divisors is an integer number (735752511).

Almost surely, 2^5556026989 is an apocalyptic number.

It is an amenable number.

5556026989 is a deficient number, since it is larger than the sum of its proper divisors (329993099).

5556026989 is a wasteful number, since it uses less digits than its factorization.

5556026989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176015.

The product of its (nonzero) digits is 5832000, while the sum is 55.

The square root of 5556026989 is about 74538.7616545915. The cubic root of 5556026989 is about 1771.1477111663.

The spelling of 5556026989 in words is "five billion, five hundred fifty-six million, twenty-six thousand, nine hundred eighty-nine".