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56279437 is a prime number
BaseRepresentation
bin1101011010110…
…0000110001101
310220220021212121
43112230012031
5103401420222
65330132541
71252236664
oct326540615
9126807777
1056279437
112984a635
1216a21151
13b876656
14768dddb
154e1a5c7
hex35ac18d

56279437 has 2 divisors, whose sum is σ = 56279438. Its totient is φ = 56279436.

The previous prime is 56279411. The next prime is 56279467. The reversal of 56279437 is 73497265.

56279437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43705321 + 12574116 = 6611^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 56279437 - 27 = 56279309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56279393 and 56279402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56279407) 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 as a sum of consecutive naturals, namely, 28139718 + 28139719.

It is an arithmetic number, because the mean of its divisors is an integer number (28139719).

Almost surely, 256279437 is an apocalyptic number.

It is an amenable number.

56279437 is a deficient number, since it is larger than the sum of its proper divisors (1).

56279437 is an equidigital number, since it uses as much as digits as its factorization.

56279437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 56279437 is about 7501.9622099821. The cubic root of 56279437 is about 383.2215426172.

The spelling of 56279437 in words is "fifty-six million, two hundred seventy-nine thousand, four hundred thirty-seven".