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56063 = 78009
BaseRepresentation
bin1101101011111111
32211220102
431223333
53243223
61111315
7322310
oct155377
984812
1056063
1139137
122853b
131c697
1416607
1511928
hexdaff

56063 has 4 divisors (see below), whose sum is σ = 64080. Its totient is φ = 48048.

The previous prime is 56053. The next prime is 56081. The reversal of 56063 is 36065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36065 = 57213.

It is not a de Polignac number, because 56063 - 28 = 55807 is a prime.

It is a Duffinian number.

56063 is a modest number, since divided by 63 gives 56 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (16020).

256063 is an apocalyptic number.

56063 is a deficient number, since it is larger than the sum of its proper divisors (8017).

56063 is an equidigital number, since it uses as much as digits as its factorization.

56063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 56063 is about 236.7762657025. The cubic root of 56063 is about 38.2729652626.

The spelling of 56063 in words is "fifty-six thousand, sixty-three".

Divisors: 1 7 8009 56063