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55498 = 227749
BaseRepresentation
bin1101100011001010
32211010111
431203022
53233443
61104534
7320542
oct154312
984114
1055498
1138773
122814a
131c351
1416322
151169d
hexd8ca

55498 has 4 divisors (see below), whose sum is σ = 83250. Its totient is φ = 27748.

The previous prime is 55487. The next prime is 55501. The reversal of 55498 is 89455.

55498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89455 = 517891.

It can be written as a sum of positive squares in only one way, i.e., 51529 + 3969 = 227^2 + 63^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is an unprimeable number.

55498 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13873 + ... + 13876.

255498 is an apocalyptic number.

55498 is a deficient number, since it is larger than the sum of its proper divisors (27752).

55498 is a wasteful number, since it uses less digits than its factorization.

55498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27751.

The product of its digits is 7200, while the sum is 31.

The square root of 55498 is about 235.5801349860. The cubic root of 55498 is about 38.1439599326.

The spelling of 55498 in words is "fifty-five thousand, four hundred ninety-eight".

Divisors: 1 2 27749 55498