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56033 = 137409
BaseRepresentation
bin1101101011100001
32211212022
431223201
53243113
61111225
7322235
oct155341
984768
1056033
113910a
1228515
131c673
14165c5
1511908
hexdae1

56033 has 4 divisors (see below), whose sum is σ = 56580. Its totient is φ = 55488.

The previous prime is 56009. The next prime is 56039. The reversal of 56033 is 33065.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 12769 = 208^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 56033 - 210 = 55009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (14145).

256033 is an apocalyptic number.

56033 is the 137-th octagonal number.

It is an amenable number.

56033 is a deficient number, since it is larger than the sum of its proper divisors (547).

56033 is a wasteful number, since it uses less digits than its factorization.

56033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 56033 is about 236.7129062810. The cubic root of 56033 is about 38.2661372665.

Adding to 56033 its reverse (33065), we get a palindrome (89098).

The spelling of 56033 in words is "fifty-six thousand, thirty-three".

Divisors: 1 137 409 56033