55907 has 4 divisors (see below), whose sum is σ = 57456. Its totient is φ = 54360.

The previous prime is 55903. The next prime is 55921. The reversal of 55907 is 70955.

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

It is a cyclic number.

It is not a de Polignac number, because 55907 - 2² = 55903 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (55901) 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, 719 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2⁵⁵⁹⁰⁷ is an apocalyptic number.

55907 is a deficient number, since it is larger than the sum of its proper divisors (1549).

55907 is a wasteful number, since it uses less digits than its factorization.

55907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

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

The square root of 55907 is about 236.4466113100. The cubic root of 55907 is about 38.2374330396.

The spelling of 55907 in words is "fifty-five thousand, nine hundred seven".