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55929 = 3103181
BaseRepresentation
bin1101101001111001
32211201110
431221321
53242204
61110533
7322026
oct155171
984643
1055929
1139025
1228449
131c5c3
141654d
1511889
hexda79

55929 has 8 divisors (see below), whose sum is σ = 75712. Its totient is φ = 36720.

The previous prime is 55927. The next prime is 55931. The reversal of 55929 is 92955.

55929 = 472 + 482 + ... + 642.

It is an interprime number because it is at equal distance from previous prime (55927) and next prime (55931).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55929 - 21 = 55927 is a prime.

It is a Duffinian number.

55929 is a lucky number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 55896 and 55905.

It is not an unprimeable number, because it can be changed into a prime (55921) 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, 219 + ... + 399.

It is an arithmetic number, because the mean of its divisors is an integer number (9464).

255929 is an apocalyptic number.

It is an amenable number.

55929 is a deficient number, since it is larger than the sum of its proper divisors (19783).

55929 is a wasteful number, since it uses less digits than its factorization.

55929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its digits is 4050, while the sum is 30.

The square root of 55929 is about 236.4931288642. The cubic root of 55929 is about 38.2424479943.

The spelling of 55929 in words is "fifty-five thousand, nine hundred twenty-nine".

Divisors: 1 3 103 181 309 543 18643 55929