55707 has 8 divisors (see below), whose sum is σ = 76800. Its totient is φ = 35880.

The previous prime is 55697. The next prime is 55711. The reversal of 55707 is 70755.

55707 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 55707 - 2⁴ = 55691 is a prime.

55707 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (55717) 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, 207 + ... + 392.

It is an arithmetic number, because the mean of its divisors is an integer number (9600).

2⁵⁵⁷⁰⁷ is an apocalyptic number.

55707 is a deficient number, since it is larger than the sum of its proper divisors (21093).

55707 is a wasteful number, since it uses less digits than its factorization.

55707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

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

The square root of 55707 is about 236.0233039342. The cubic root of 55707 is about 38.1917820832.

The spelling of 55707 in words is "fifty-five thousand, seven hundred seven".