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56835953 = 88164513
BaseRepresentation
bin1101100011001…
…1111101110001
310221221120021022
43120303331301
5104022222303
65350105225
71260045326
oct330637561
9127846238
1056835953
112a09a769
121704b215
13ba0ca55
147796b4d
154eca438
hex3633f71

56835953 has 4 divisors (see below), whose sum is σ = 56901348. Its totient is φ = 56770560.

The previous prime is 56835943. The next prime is 56835971. The reversal of 56835953 is 35953865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35953865 = 57190773.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 45859984 = 3313^2 + 6772^2 .

It is a cyclic number.

It is not a de Polignac number, because 56835953 - 224 = 40058737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56835943) 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, 31376 + ... + 33137.

It is an arithmetic number, because the mean of its divisors is an integer number (14225337).

Almost surely, 256835953 is an apocalyptic number.

It is an amenable number.

56835953 is a deficient number, since it is larger than the sum of its proper divisors (65395).

56835953 is an equidigital number, since it uses as much as digits as its factorization.

56835953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65394.

The product of its digits is 486000, while the sum is 44.

The square root of 56835953 is about 7538.9623291273. The cubic root of 56835953 is about 384.4805565781.

The spelling of 56835953 in words is "fifty-six million, eight hundred thirty-five thousand, nine hundred fifty-three".

Divisors: 1 881 64513 56835953