55675138 has 4 divisors (see below), whose sum is σ = 83512710. Its totient is φ = 27837568.

The previous prime is 55675133. The next prime is 55675141. The reversal of 55675138 is 83157655.

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., 42081169 + 13593969 = 6487^2 + 3687^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55675138.

It is not an unprimeable number, because it can be changed into a prime (55675133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13918783 + ... + 13918786.

Almost surely, 2^55675138 is an apocalyptic number.

55675138 is a deficient number, since it is larger than the sum of its proper divisors (27837572).

55675138 is a wasteful number, since it uses less digits than its factorization.

55675138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27837571.

The product of its digits is 126000, while the sum is 40.

The square root of 55675138 is about 7461.5774471622. The cubic root of 55675138 is about 381.8449934412.

The spelling of 55675138 in words is "fifty-five million, six hundred seventy-five thousand, one hundred thirty-eight".