55111150 has 24 divisors (see below), whose sum is σ = 103055904. Its totient is φ = 21926400.

The previous prime is 55111141. The next prime is 55111159. The reversal of 55111150 is 5111155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55111141) and next prime (55111159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111159) 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, 6795 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (4293996).

Almost surely, 2^55111150 is an apocalyptic number.

55111150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55111150 is a deficient number, since it is larger than the sum of its proper divisors (47944754).

55111150 is a wasteful number, since it uses less digits than its factorization.

55111150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 55111150 is about 7423.6884363502. The cubic root of 55111150 is about 380.5512544037.

The spelling of 55111150 in words is "fifty-five million, one hundred eleven thousand, one hundred fifty".