55698 has 8 divisors (see below), whose sum is σ = 111408. Its totient is φ = 18564.

The previous prime is 55697. The next prime is 55711. The reversal of 55698 is 89655.

55698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

55698 is an admirable number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (55691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636 + ... + 4647.

It is an arithmetic number, because the mean of its divisors is an integer number (13926).

2⁵⁵⁶⁹⁸ is an apocalyptic number.

55698 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 (55704).

55698 is a wasteful number, since it uses less digits than its factorization.

55698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288.

The product of its digits is 10800, while the sum is 33.

The square root of 55698 is about 236.0042372501. The cubic root of 55698 is about 38.1897252229.

The spelling of 55698 in words is "fifty-five thousand, six hundred ninety-eight".