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56153761 is a prime number
BaseRepresentation
bin1101011000110…
…1011010100001
310220122220110221
43112031122201
5103333410021
65323323041
71251204406
oct326153241
9126586427
1056153761
1129774174
1216980481
13b8313a1
14765a2ad
154de3241
hex358d6a1

56153761 has 2 divisors, whose sum is σ = 56153762. Its totient is φ = 56153760.

The previous prime is 56153731. The next prime is 56153789. The reversal of 56153761 is 16735165.

56153761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 16966161 = 6260^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 56153761 - 215 = 56120993 is a prime.

It is not a weakly prime, because it can be changed into another prime (56153701) 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, 28076880 + 28076881.

It is an arithmetic number, because the mean of its divisors is an integer number (28076881).

Almost surely, 256153761 is an apocalyptic number.

It is an amenable number.

56153761 is a deficient number, since it is larger than the sum of its proper divisors (1).

56153761 is an equidigital number, since it uses as much as digits as its factorization.

56153761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 56153761 is about 7493.5813200365. The cubic root of 56153761 is about 382.9360763365.

The spelling of 56153761 in words is "fifty-six million, one hundred fifty-three thousand, seven hundred sixty-one".