55077 has 8 divisors (see below), whose sum is σ = 80160. Its totient is φ = 33360.

The previous prime is 55073. The next prime is 55079. The reversal of 55077 is 77055.

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

It is not a de Polignac number, because 55077 - 2² = 55073 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55073) 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, 802 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (10020).

2⁵⁵⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

55077 is a deficient number, since it is larger than the sum of its proper divisors (25083).

55077 is a wasteful number, since it uses less digits than its factorization.

55077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 55077 is about 234.6848951254. The cubic root of 55077 is about 38.0472634435.

The spelling of 55077 in words is "fifty-five thousand, seventy-seven".