55758 has 8 divisors (see below), whose sum is σ = 111528. Its totient is φ = 18584.

The previous prime is 55733. The next prime is 55763. The reversal of 55758 is 85755.

It is a happy number.

55758 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

55758 is an admirable number.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4641 + ... + 4652.

It is an arithmetic number, because the mean of its divisors is an integer number (13941).

2⁵⁵⁷⁵⁸ is an apocalyptic number.

55758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55764).

55758 is a wasteful number, since it uses less digits than its factorization.

55758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298.

The product of its digits is 7000, while the sum is 30.

The square root of 55758 is about 236.1313193966. The cubic root of 55758 is about 38.2034334423.

The spelling of 55758 in words is "fifty-five thousand, seven hundred fifty-eight".