55010018 has 16 divisors (see below), whose sum is σ = 94796160. Its totient is φ = 23452416.

The previous prime is 55010003. The next prime is 55010041. The reversal of 55010018 is 81001055.

55010018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55010018² = 6052204160720648, which contains 22 as substring.

It is an unprimeable number.

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, 7478 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (5924760).

Almost surely, 2^55010018 is an apocalyptic number.

55010018 is a deficient number, since it is larger than the sum of its proper divisors (39786142).

55010018 is a wasteful number, since it uses less digits than its factorization.

55010018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 55010018 is about 7416.8738697648. The cubic root of 55010018 is about 380.3183343579.

The spelling of 55010018 in words is "fifty-five million, ten thousand, eighteen".