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53224215449 = 2711051186869
BaseRepresentation
bin110001100100011010…
…010001001110011001
312002101021202021201212
4301210122101032121
51333000344343244
640241215352505
73562642236536
oct614432211631
9162337667655
1053224215449
1120632755919
12a394822735
135032a39612
14280ca1dd8d
1515b7977d9e
hexc64691399

53224215449 has 8 divisors (see below), whose sum is σ = 53471729280. Its totient is φ = 52977078000.

The previous prime is 53224215439. The next prime is 53224215463. The reversal of 53224215449 is 94451242235.

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 53224215449 - 220 = 53223166873 is a prime.

It is a super-2 number, since 2×532242154492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53224215439) 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, 191387 + ... + 378255.

It is an arithmetic number, because the mean of its divisors is an integer number (6683966160).

Almost surely, 253224215449 is an apocalyptic number.

It is an amenable number.

53224215449 is a deficient number, since it is larger than the sum of its proper divisors (247513831).

53224215449 is a wasteful number, since it uses less digits than its factorization.

53224215449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188191.

The product of its digits is 345600, while the sum is 41.

The spelling of 53224215449 in words is "fifty-three billion, two hundred twenty-four million, two hundred fifteen thousand, four hundred forty-nine".

Divisors: 1 271 1051 186869 284821 50641499 196399319 53224215449