55011102 has 16 divisors (see below), whose sum is σ = 110111232. Its totient is φ = 18322200.

The previous prime is 55011091. The next prime is 55011109. The reversal of 55011102 is 20111055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (6881952).

Almost surely, 2^55011102 is an apocalyptic number.

55011102 is an abundant number, since it is smaller than the sum of its proper divisors (55100130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55011102 is a wasteful number, since it uses less digits than its factorization.

55011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 55011102 is about 7416.9469460149. The cubic root of 55011102 is about 380.3208324627.

Adding to 55011102 its reverse (20111055), we get a palindrome (75122157).

The spelling of 55011102 in words is "fifty-five million, eleven thousand, one hundred two".