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56540801 is a prime number
BaseRepresentation
bin1101011110101…
…1111010000001
310221101120101202
43113223322001
5103433301201
65335510545
71254405662
oct327537201
9127346352
1056540801
1129a08a39
1216b28455
13b9385c5
14771b369
154e6cc6b
hex35ebe81

56540801 has 2 divisors, whose sum is σ = 56540802. Its totient is φ = 56540800.

The previous prime is 56540791. The next prime is 56540819. The reversal of 56540801 is 10804565.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 1795600 = 7399^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 56540801 - 214 = 56524417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56540851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28270400 + 28270401.

It is an arithmetic number, because the mean of its divisors is an integer number (28270401).

Almost surely, 256540801 is an apocalyptic number.

It is an amenable number.

56540801 is a deficient number, since it is larger than the sum of its proper divisors (1).

56540801 is an equidigital number, since it uses as much as digits as its factorization.

56540801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 56540801 is about 7519.3617415310. The cubic root of 56540801 is about 383.8138588038.

The spelling of 56540801 in words is "fifty-six million, five hundred forty thousand, eight hundred one".