55111102 has 8 divisors (see below), whose sum is σ = 82972512. Its totient is φ = 27453600.

The previous prime is 55111073. The next prime is 55111139. The reversal of 55111102 is 20111155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50299 + ... + 51382.

It is an arithmetic number, because the mean of its divisors is an integer number (10371564).

Almost surely, 2^55111102 is an apocalyptic number.

55111102 is a deficient number, since it is larger than the sum of its proper divisors (27861410).

55111102 is a wasteful number, since it uses less digits than its factorization.

55111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101954.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 55111102 is about 7423.6852034552. The cubic root of 55111102 is about 380.5511439211.

Adding to 55111102 its reverse (20111155), we get a palindrome (75222257).

The spelling of 55111102 in words is "fifty-five million, one hundred eleven thousand, one hundred two".