55750 has 16 divisors (see below), whose sum is σ = 104832. Its totient is φ = 22200.

The previous prime is 55733. The next prime is 55763. The reversal of 55750 is 5755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139 + ... + 361.

It is an arithmetic number, because the mean of its divisors is an integer number (6552).

2⁵⁵⁷⁵⁰ is an apocalyptic number.

55750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55750 is a deficient number, since it is larger than the sum of its proper divisors (49082).

55750 is a wasteful number, since it uses less digits than its factorization.

55750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 22.

The square root of 55750 is about 236.1143790624. The cubic root of 55750 is about 38.2016062481.

The spelling of 55750 in words is "fifty-five thousand, seven hundred fifty".