55612 has 6 divisors (see below), whose sum is σ = 97328.
Its totient is φ = 27804.
The previous prime is 55609. The next prime is 55619. The reversal of 55612 is 21655.
It is a happy number.
It is a pancake number, because a pancake can be divided into 55612 parts by 333 straight cuts.
It is a self number, because there is not a number n which added to its sum of digits gives 55612.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55619) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6948 + ... + 6955.
255612 is an apocalyptic number.
It is an amenable number.
55612 is a deficient number, since it is larger than the sum of its proper divisors (41716).
55612 is a wasteful number, since it uses less digits than its factorization.
55612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13907 (or 13905 counting only the distinct ones).
The product of its digits is 300, while the sum is 19.
The square root of 55612 is about 235.8219667461.
The cubic root of 55612 is about 38.1700595964.
The spelling of 55612 in words is "fifty-five thousand, six hundred twelve".