55150 has 12 divisors (see below), whose sum is σ = 102672. Its totient is φ = 22040.

The previous prime is 55147. The next prime is 55163. The reversal of 55150 is 5155.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (8556).

2⁵⁵¹⁵⁰ is an apocalyptic number.

55150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55150 is a deficient number, since it is larger than the sum of its proper divisors (47522).

55150 is a wasteful number, since it uses less digits than its factorization.

55150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 55150 is about 234.8403713163. The cubic root of 55150 is about 38.0640655209.

The spelling of 55150 in words is "fifty-five thousand, one hundred fifty".