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BaseRepresentation
bin1101101001000111
32211122121
431221013
53242004
61110411
7321625
oct155107
984577
1055879
1138a8a
1228407
131c585
1416515
1511854
hexda47

55879 has 8 divisors (see below), whose sum is σ = 62640. Its totient is φ = 49536.

The previous prime is 55871. The next prime is 55889. The reversal of 55879 is 97855.

55879 = T67 + T68 + ... + T85.

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

It is a cyclic number.

It is not a de Polignac number, because 55879 - 23 = 55871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55871) 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, 237 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (7830).

255879 is an apocalyptic number.

55879 is a deficient number, since it is larger than the sum of its proper divisors (6761).

55879 is a wasteful number, since it uses less digits than its factorization.

55879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 12600, while the sum is 34.

The square root of 55879 is about 236.3873939109. The cubic root of 55879 is about 38.2310484670.

The spelling of 55879 in words is "fifty-five thousand, eight hundred seventy-nine".

Divisors: 1 17 19 173 323 2941 3287 55879