55111032 has 48 divisors (see below), whose sum is σ = 151164000. Its totient is φ = 18135936.

The previous prime is 55111027. The next prime is 55111033. The reversal of 55111032 is 23011155.

55111032 is a `hidden beast` number, since 551 + 110 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 55110996 and 55111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (3149250).

Almost surely, 2^55111032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55111032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75582000).

55111032 is an abundant number, since it is smaller than the sum of its proper divisors (96052968).

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

55111032 is a wasteful number, since it uses less digits than its factorization.

55111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780 (or 9773 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 55111032 is about 7423.6804888142. The cubic root of 55111032 is about 380.5509828006.

Adding to 55111032 its reverse (23011155), we get a palindrome (78122187).

The spelling of 55111032 in words is "fifty-five million, one hundred eleven thousand, thirty-two".