5515556626 has 16 divisors (see below), whose sum is σ = 8944148160. Its totient is φ = 2542019760.

The previous prime is 5515556623. The next prime is 5515556729. The reversal of 5515556626 is 6266555155.

It is a super-2 number, since 2×5515556626² = 60842729789225007752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515556623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960030 + ... + 1962841.

It is an arithmetic number, because the mean of its divisors is an integer number (559009260).

Almost surely, 2^5515556626 is an apocalyptic number.

5515556626 is a deficient number, since it is larger than the sum of its proper divisors (3428591534).

5515556626 is a wasteful number, since it uses less digits than its factorization.

5515556626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922929.

The product of its digits is 1350000, while the sum is 46.

The square root of 5515556626 is about 74266.7935621298. The cubic root of 5515556626 is about 1766.8368528034.

The spelling of 5515556626 in words is "five billion, five hundred fifteen million, five hundred fifty-six thousand, six hundred twenty-six".