55437 has 8 divisors (see below), whose sum is σ = 78336. Its totient is φ = 34752.
The previous prime is 55411. The next prime is 55439. The reversal of 55437 is 73455.
55437 is nontrivially palindromic in base 16.
55437 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55437 - 26 = 55373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55439) 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, 493 + ... + 594.
It is an arithmetic number, because the mean of its divisors is an integer number (9792).
255437 is an apocalyptic number.
It is an amenable number.
55437 is a deficient number, since it is larger than the sum of its proper divisors (22899).
55437 is a wasteful number, since it uses less digits than its factorization.
55437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1107.
The product of its digits is 2100, while the sum is 24.
The square root of 55437 is about 235.4506317681. The cubic root of 55437 is about 38.1299796416.
The spelling of 55437 in words is "fifty-five thousand, four hundred thirty-seven".
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