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53379458549 = 156734064747
BaseRepresentation
bin110001101101101010…
…011110010111110101
312002210002212110020022
4301231222132113311
51333310120133144
640304443014525
73566535624404
oct615552362765
9162702773208
1053379458549
11207023492aa
12a41880a445
135058c52b41
1428254b163b
1515c63e0cee
hexc6da9e5f5

53379458549 has 4 divisors (see below), whose sum is σ = 53413524864. Its totient is φ = 53345392236.

The previous prime is 53379458521. The next prime is 53379458563. The reversal of 53379458549 is 94585497335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53379458549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53379458491 and 53379458500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53379458149) 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, 17030807 + ... + 17033940.

It is an arithmetic number, because the mean of its divisors is an integer number (13353381216).

Almost surely, 253379458549 is an apocalyptic number.

It is an amenable number.

53379458549 is a deficient number, since it is larger than the sum of its proper divisors (34066315).

53379458549 is a wasteful number, since it uses less digits than its factorization.

53379458549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34066314.

The product of its digits is 81648000, while the sum is 62.

The spelling of 53379458549 in words is "fifty-three billion, three hundred seventy-nine million, four hundred fifty-eight thousand, five hundred forty-nine".

Divisors: 1 1567 34064747 53379458549