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55013601 = 368326849
BaseRepresentation
bin1101000111011…
…1000011100001
310211111222110210
43101313003201
5103040413401
65243044333
71235415336
oct321670341
9124458423
1055013601
1129065595
12165106a9
13b522436
14744098d
154c6a4d6
hex34770e1

55013601 has 8 divisors (see below), whose sum is σ = 73461600. Its totient is φ = 36620672.

The previous prime is 55013599. The next prime is 55013611. The reversal of 55013601 is 10631055.

It is a happy number.

55013601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55013601 - 21 = 55013599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55013611) 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 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 15473.

It is an arithmetic number, because the mean of its divisors is an integer number (9182700).

Almost surely, 255013601 is an apocalyptic number.

It is an amenable number.

55013601 is a deficient number, since it is larger than the sum of its proper divisors (18447999).

55013601 is a wasteful number, since it uses less digits than its factorization.

55013601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 55013601 is about 7417.1154096455. The cubic root of 55013601 is about 380.3265913449.

Adding to 55013601 its reverse (10631055), we get a palindrome (65644656).

The spelling of 55013601 in words is "fifty-five million, thirteen thousand, six hundred one".

Divisors: 1 3 683 2049 26849 80547 18337867 55013601