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53005656223 = 134077358171
BaseRepresentation
bin110001010111011000…
…100010000010011111
312001211001111022211201
4301113120202002133
51332023421444343
640203411100331
73554346433612
oct612730420237
9161731438751
1053005656223
1120530347063
12a3335a16a7
134cc9684930
1427cb9aa179
1515a36a494d
hexc5762209f

53005656223 has 4 divisors (see below), whose sum is σ = 57083014408. Its totient is φ = 48928298040.

The previous prime is 53005656161. The next prime is 53005656259. The reversal of 53005656223 is 32265650035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32265650035 = 56453130007.

It is a cyclic number.

It is not a de Polignac number, because 53005656223 - 217 = 53005525151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005656523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038679073 + ... + 2038679098.

It is an arithmetic number, because the mean of its divisors is an integer number (14270753602).

Almost surely, 253005656223 is an apocalyptic number.

53005656223 is a deficient number, since it is larger than the sum of its proper divisors (4077358185).

53005656223 is a wasteful number, since it uses less digits than its factorization.

53005656223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077358184.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 53005656223 in words is "fifty-three billion, five million, six hundred fifty-six thousand, two hundred twenty-three".

Divisors: 1 13 4077358171 53005656223