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56495372953 = 83117679709
BaseRepresentation
bin110100100111011000…
…101111101010011001
312101211021000022020111
4310213120233222121
51411200303413303
641541551524321
74040002514065
oct644730575231
9171737008214
1056495372953
1121a6118a978
12ab482296a1
135434660786
142a3d24caa5
151709c2eb6d
hexd2762fa99

56495372953 has 4 divisors (see below), whose sum is σ = 56496135780. Its totient is φ = 56494610128.

The previous prime is 56495372933. The next prime is 56495372957. The reversal of 56495372953 is 35927359465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35927359465 = 57185471893.

It can be written as a sum of positive squares in 2 ways, for example, as 22520404624 + 33974968329 = 150068^2 + 184323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56495372953 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56495372957) 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, 256738 + ... + 422971.

It is an arithmetic number, because the mean of its divisors is an integer number (14124033945).

Almost surely, 256495372953 is an apocalyptic number.

It is an amenable number.

56495372953 is a deficient number, since it is larger than the sum of its proper divisors (762827).

56495372953 is an equidigital number, since it uses as much as digits as its factorization.

56495372953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762826.

The product of its digits is 30618000, while the sum is 58.

The spelling of 56495372953 in words is "fifty-six billion, four hundred ninety-five million, three hundred seventy-two thousand, nine hundred fifty-three".

Divisors: 1 83117 679709 56495372953