55994 has 4 divisors (see below), whose sum is σ = 83994. Its totient is φ = 27996.

The previous prime is 55987. The next prime is 55997. The reversal of 55994 is 49955.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34969 + 21025 = 187^2 + 145^2 .

It is a plaindrome in base 6 and base 15.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 55994.

It is not an unprimeable number, because it can be changed into a prime (55997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13997 + ... + 14000.

2⁵⁵⁹⁹⁴ is an apocalyptic number.

55994 is a deficient number, since it is larger than the sum of its proper divisors (28000).

55994 is a wasteful number, since it uses less digits than its factorization.

55994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27999.

The product of its digits is 8100, while the sum is 32.

The square root of 55994 is about 236.6305136706. The cubic root of 55994 is about 38.2572572272.

The spelling of 55994 in words is "fifty-five thousand, nine hundred ninety-four".