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53170430557 = 61994191283
BaseRepresentation
bin110001100001001101…
…000110001001011101
312002020112112201201211
4301201031012021131
51332343112234212
640232014504421
73561420126346
oct614115061135
9162215481654
1053170430557
112060535a4a2
12a37a805111
13502485753a
14280581d0cd
1515b2da19a7
hexc6134625d

53170430557 has 8 divisors (see below), whose sum is σ = 53313507360. Its totient is φ = 53027539440.

The previous prime is 53170430503. The next prime is 53170430569. The reversal of 53170430557 is 75503407135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53170430557 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 (53170430057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536838 + ... + 628120.

It is an arithmetic number, because the mean of its divisors is an integer number (6664188420).

Almost surely, 253170430557 is an apocalyptic number.

It is an amenable number.

53170430557 is a deficient number, since it is larger than the sum of its proper divisors (143076803).

53170430557 is an equidigital number, since it uses as much as digits as its factorization.

53170430557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92843.

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 53170430557 in words is "fifty-three billion, one hundred seventy million, four hundred thirty thousand, five hundred fifty-seven".

Divisors: 1 619 941 91283 582479 56504177 85897303 53170430557