55097 has 8 divisors (see below), whose sum is σ = 66816. Its totient is φ = 44352.

The previous prime is 55079. The next prime is 55103. The reversal of 55097 is 79055.

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

It is not a de Polignac number, because 55097 - 2¹² = 51001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 350.

It is an arithmetic number, because the mean of its divisors is an integer number (8352).

2⁵⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

55097 is a deficient number, since it is larger than the sum of its proper divisors (11719).

55097 is a wasteful number, since it uses less digits than its factorization.

55097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 55097 is about 234.7275015843. The cubic root of 55097 is about 38.0518682282.

The spelling of 55097 in words is "fifty-five thousand, ninety-seven".