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55797 = 372657
BaseRepresentation
bin1101100111110101
32211112120
431213311
53241142
61110153
7321450
oct154765
984476
1055797
1138a15
1228359
131c521
1416497
15117ec
hexd9f5

55797 has 8 divisors (see below), whose sum is σ = 85056. Its totient is φ = 31872.

The previous prime is 55793. The next prime is 55799. The reversal of 55797 is 79755.

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

It is not a de Polignac number, because 55797 - 22 = 55793 is a prime.

It is a super-2 number, since 2×557972 = 6226610418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (10632).

255797 is an apocalyptic number.

It is an amenable number.

55797 is a deficient number, since it is larger than the sum of its proper divisors (29259).

55797 is a wasteful number, since it uses less digits than its factorization.

55797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667.

The product of its digits is 11025, while the sum is 33.

The square root of 55797 is about 236.2138861287. The cubic root of 55797 is about 38.2123385122.

The spelling of 55797 in words is "fifty-five thousand, seven hundred ninety-seven".

Divisors: 1 3 7 21 2657 7971 18599 55797