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53413321 = 134108717
BaseRepresentation
bin1100101111000…
…0010111001001
310201111200022011
43023300113021
5102133211241
65144455521
71216001653
oct313602711
9121450264
1053413321
1128172245
1215a7a5a1
13b0b1c20
1471456d3
154a51281
hex32f05c9

53413321 has 4 divisors (see below), whose sum is σ = 57522052. Its totient is φ = 49304592.

The previous prime is 53413319. The next prime is 53413333. The reversal of 53413321 is 12331435.

53413321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29550096 + 23863225 = 5436^2 + 4885^2 .

It is a cyclic number.

It is not a de Polignac number, because 53413321 - 21 = 53413319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53413292 and 53413301.

It is not an unprimeable number, because it can be changed into a prime (53413301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054346 + ... + 2054371.

It is an arithmetic number, because the mean of its divisors is an integer number (14380513).

Almost surely, 253413321 is an apocalyptic number.

It is an amenable number.

53413321 is a deficient number, since it is larger than the sum of its proper divisors (4108731).

53413321 is a wasteful number, since it uses less digits than its factorization.

53413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108730.

The product of its digits is 1080, while the sum is 22.

The square root of 53413321 is about 7308.4417627836. The cubic root of 53413321 is about 376.6024957466.

Adding to 53413321 its reverse (12331435), we get a palindrome (65744756).

The spelling of 53413321 in words is "fifty-three million, four hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 13 4108717 53413321