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54955 = 529379
BaseRepresentation
bin1101011010101011
32210101101
431122223
53224310
61102231
7316135
oct153253
983341
1054955
113831a
1227977
131c024
1416055
151143a
hexd6ab

54955 has 8 divisors (see below), whose sum is σ = 68400. Its totient is φ = 42336.

The previous prime is 54949. The next prime is 54959. The reversal of 54955 is 55945.

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 54955 - 29 = 54443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54959) 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, 45 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (8550).

254955 is an apocalyptic number.

54955 is a deficient number, since it is larger than the sum of its proper divisors (13445).

54955 is a wasteful number, since it uses less digits than its factorization.

54955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its digits is 4500, while the sum is 28.

The square root of 54955 is about 234.4248280366. The cubic root of 54955 is about 38.0191500892.

Subtracting 54955 from its reverse (55945), we obtain a triangular number (990 = T44).

The spelling of 54955 in words is "fifty-four thousand, nine hundred fifty-five".

Divisors: 1 5 29 145 379 1895 10991 54955