55679018 has 4 divisors (see below), whose sum is σ = 83518530. Its totient is φ = 27839508.

The previous prime is 55679017. The next prime is 55679033. The reversal of 55679018 is 81097655.

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

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 3073009 = 7253^2 + 1753^2 .

It is not an unprimeable number, because it can be changed into a prime (55679017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919753 + ... + 13919756.

Almost surely, 2^55679018 is an apocalyptic number.

55679018 is a deficient number, since it is larger than the sum of its proper divisors (27839512).

55679018 is a wasteful number, since it uses less digits than its factorization.

55679018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839511.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 55679018 is about 7461.8374412741. The cubic root of 55679018 is about 381.8538634935.

The spelling of 55679018 in words is "fifty-five million, six hundred seventy-nine thousand, eighteen".