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53644097 = 1327714897
BaseRepresentation
bin1100110010100…
…0101101000001
310201221101212102
43030220231001
5102213102342
65153440145
71220652533
oct314505501
9121841772
1053644097
112830a671
1215b70055
13b162c90
1471a5853
154a99832
hex3328b41

53644097 has 8 divisors (see below), whose sum is σ = 57983016. Its totient is φ = 49335552.

The previous prime is 53644093. The next prime is 53644099. The reversal of 53644097 is 79044635.

It can be written as a sum of positive squares in 4 ways, for example, as 4096576 + 49547521 = 2024^2 + 7039^2 .

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 53644097 - 22 = 53644093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53644097.

It is not an unprimeable number, because it can be changed into a prime (53644093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3848 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (7247877).

Almost surely, 253644097 is an apocalyptic number.

It is an amenable number.

53644097 is a deficient number, since it is larger than the sum of its proper divisors (4338919).

53644097 is a wasteful number, since it uses less digits than its factorization.

53644097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15187.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 53644097 is about 7324.2130635311. The cubic root of 53644097 is about 377.1440956535.

The spelling of 53644097 in words is "fifty-three million, six hundred forty-four thousand, ninety-seven".

Divisors: 1 13 277 3601 14897 193661 4126469 53644097