55611118 has 4 divisors (see below), whose sum is σ = 83416680. Its totient is φ = 27805558.

The previous prime is 55611103. The next prime is 55611137. The reversal of 55611118 is 81111655.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13902778 + ... + 13902781.

It is an arithmetic number, because the mean of its divisors is an integer number (20854170).

Almost surely, 2^55611118 is an apocalyptic number.

55611118 is a deficient number, since it is larger than the sum of its proper divisors (27805562).

55611118 is a wasteful number, since it uses less digits than its factorization.

55611118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805561.

The product of its digits is 1200, while the sum is 28.

The square root of 55611118 is about 7457.2862356222. The cubic root of 55611118 is about 381.6985780437.

The spelling of 55611118 in words is "fifty-five million, six hundred eleven thousand, one hundred eighteen".