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53758097605 = 515768481653
BaseRepresentation
bin110010000100001110…
…110111100011000101
312010202111100022101001
4302010032313203011
51340044033110410
640410210333301
73612114201352
oct620416674305
9163674308331
1053758097605
1120887054443
12a50358a231
1350b9525714
14285d8b5629
1515e978533a
hexc843b78c5

53758097605 has 8 divisors (see below), whose sum is σ = 64920607992. Its totient is φ = 42732550848.

The previous prime is 53758097581. The next prime is 53758097647. The reversal of 53758097605 is 50679085735.

It can be written as a sum of positive squares in 4 ways, for example, as 5027093604 + 48731004001 = 70902^2 + 220751^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53758097605 - 215 = 53758064837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34240042 + ... + 34241611.

It is an arithmetic number, because the mean of its divisors is an integer number (8115075999).

Almost surely, 253758097605 is an apocalyptic number.

It is an amenable number.

53758097605 is a deficient number, since it is larger than the sum of its proper divisors (11162510387).

53758097605 is a wasteful number, since it uses less digits than its factorization.

53758097605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68481815.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 53758097605 in words is "fifty-three billion, seven hundred fifty-eight million, ninety-seven thousand, six hundred five".

Divisors: 1 5 157 785 68481653 342408265 10751619521 53758097605