55471 has 8 divisors (see below), whose sum is σ = 63504. Its totient is φ = 48000.
The previous prime is 55469. The next prime is 55487. The reversal of 55471 is 17455.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 7-Lehmer number, since φ(55471) divides (55471-1)7.
It is a cyclic number.
It is not a de Polignac number, because 55471 - 21 = 55469 is a prime.
It is a super-3 number, since 3×554713 = 512058099756333, which contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55471.
It is not an unprimeable number, because it can be changed into a prime (55411) 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, 96 + ... + 346.
It is an arithmetic number, because the mean of its divisors is an integer number (7938).
255471 is an apocalyptic number.
55471 is a deficient number, since it is larger than the sum of its proper divisors (8033).
55471 is a wasteful number, since it uses less digits than its factorization.
55471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281.
The product of its digits is 700, while the sum is 22.
The square root of 55471 is about 235.5228226733. The cubic root of 55471 is about 38.1377731992.
It can be divided in two parts, 554 and 71, that added together give a 4-th power (625 = 54).
The spelling of 55471 in words is "fifty-five thousand, four hundred seventy-one".
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