55315 has 16 divisors (see below), whose sum is σ = 76608. Its totient is φ = 38016.

The previous prime is 55313. The next prime is 55331. The reversal of 55315 is 51355.

It is a cyclic number.

It is not a de Polignac number, because 55315 - 2¹ = 55313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55292 and 55301.

It is not an unprimeable number, because it can be changed into a prime (55313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

2⁵⁵³¹⁵ is an apocalyptic number.

55315 is a deficient number, since it is larger than the sum of its proper divisors (21293).

55315 is a wasteful number, since it uses less digits than its factorization.

55315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78.

The product of its digits is 375, while the sum is 19.

The square root of 55315 is about 235.1914114078. The cubic root of 55315 is about 38.1019882632.

The spelling of 55315 in words is "fifty-five thousand, three hundred fifteen".