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54047 = 721103
BaseRepresentation
bin1101001100011111
32202010202
431030133
53212142
61054115
7313400
oct151437
982122
1054047
1137674
122733b
131b7a6
14159a7
1511032
hexd31f

54047 has 6 divisors (see below), whose sum is σ = 62928. Its totient is φ = 46284.

The previous prime is 54037. The next prime is 54049. The reversal of 54047 is 74045.

It is not a de Polignac number, because 54047 - 28 = 53791 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 (54049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (10488).

254047 is an apocalyptic number.

54047 is a deficient number, since it is larger than the sum of its proper divisors (8881).

54047 is a wasteful number, since it uses less digits than its factorization.

54047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 54047 is about 232.4801066758. The cubic root of 54047 is about 37.8085942964.

The spelling of 54047 in words is "fifty-four thousand, forty-seven".

Divisors: 1 7 49 1103 7721 54047