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56548031 is a prime number
BaseRepresentation
bin1101011110110…
…1101010111111
310221101221022112
43113231222333
5103434014111
65340004235
71254436031
oct327555277
9127357275
1056548031
1129a13411
1216b3067b
13b93b997
14771dc51
154e6ee8b
hex35edabf

56548031 has 2 divisors, whose sum is σ = 56548032. Its totient is φ = 56548030.

The previous prime is 56548027. The next prime is 56548043. The reversal of 56548031 is 13084565.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56548031 - 22 = 56548027 is a prime.

It is a super-2 number, since 2×565480312 = 6395359619953922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56548081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28274015 + 28274016.

It is an arithmetic number, because the mean of its divisors is an integer number (28274016).

Almost surely, 256548031 is an apocalyptic number.

56548031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56548031 is an equidigital number, since it uses as much as digits as its factorization.

56548031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 56548031 is about 7519.8424850525. The cubic root of 56548031 is about 383.8302178217.

The spelling of 56548031 in words is "fifty-six million, five hundred forty-eight thousand, thirty-one".