55516 has 6 divisors (see below), whose sum is σ = 97160. Its totient is φ = 27756.

The previous prime is 55511. The next prime is 55529. The reversal of 55516 is 61555.

It is a magnanimous number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936 + ... + 6943.

2⁵⁵⁵¹⁶ is an apocalyptic number.

It is an amenable number.

55516 is a deficient number, since it is larger than the sum of its proper divisors (41644).

55516 is a wasteful number, since it uses less digits than its factorization.

55516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13883 (or 13881 counting only the distinct ones).

The product of its digits is 750, while the sum is 22.

The square root of 55516 is about 235.6183354495. The cubic root of 55516 is about 38.1480833067.

The spelling of 55516 in words is "fifty-five thousand, five hundred sixteen".