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53210547077 = 179732268373
BaseRepresentation
bin110001100011100110…
…001000001110000101
312002100100000212020212
4301203212020032011
51332433400001302
640240010405205
73562415121212
oct614346101605
9162310025225
1053210547077
1120625a6a646
12a390130805
13502cc6211c
14280aca2b09
1515b6678052
hexc63988385

53210547077 has 8 divisors (see below), whose sum is σ = 56921411736. Its totient is φ = 49564219392.

The previous prime is 53210547001. The next prime is 53210547083. The reversal of 53210547077 is 77074501235.

It can be written as a sum of positive squares in 4 ways, for example, as 3806149636 + 49404397441 = 61694^2 + 222271^2 .

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 53210547077 - 220 = 53209498501 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 (53210544077) 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, 16132538 + ... + 16135835.

It is an arithmetic number, because the mean of its divisors is an integer number (7115176467).

Almost surely, 253210547077 is an apocalyptic number.

It is an amenable number.

53210547077 is a deficient number, since it is larger than the sum of its proper divisors (3710864659).

53210547077 is a wasteful number, since it uses less digits than its factorization.

53210547077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268487.

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 53210547077 in words is "fifty-three billion, two hundred ten million, five hundred forty-seven thousand, seventy-seven".

Divisors: 1 17 97 1649 32268373 548562341 3130032181 53210547077