55207106 has 4 divisors (see below), whose sum is σ = 82810662. Its totient is φ = 27603552.

The previous prime is 55207057. The next prime is 55207111. The reversal of 55207106 is 60170255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60170255 = 5 ⋅12034051.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 4583881 = 7115^2 + 2141^2 .

It is an unprimeable number.

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, 13801775 + ... + 13801778.

Almost surely, 2^55207106 is an apocalyptic number.

55207106 is a deficient number, since it is larger than the sum of its proper divisors (27603556).

55207106 is a wasteful number, since it uses less digits than its factorization.

55207106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27603555.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 55207106 is about 7430.1484507377. The cubic root of 55207106 is about 380.7719901558.

The spelling of 55207106 in words is "fifty-five million, two hundred seven thousand, one hundred six".