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55411513 = 251257859
BaseRepresentation
bin1101001101100…
…0001100111001
310212021012022021
43103120030321
5103141132023
65255354441
71241663413
oct323301471
9125235267
1055411513
1129307543
1216682a21
13b6315a1
1475059b3
154ce835d
hex34d8339

55411513 has 8 divisors (see below), whose sum is σ = 55913760. Its totient is φ = 54912000.

The previous prime is 55411511. The next prime is 55411519. The reversal of 55411513 is 31511455.

It is a happy number.

55411513 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 55411513 - 21 = 55411511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55411511) 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, 64078 + ... + 64936.

It is an arithmetic number, because the mean of its divisors is an integer number (6989220).

Almost surely, 255411513 is an apocalyptic number.

It is an amenable number.

55411513 is a deficient number, since it is larger than the sum of its proper divisors (502247).

55411513 is a wasteful number, since it uses less digits than its factorization.

55411513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its digits is 1500, while the sum is 25.

The square root of 55411513 is about 7443.8909852308. The cubic root of 55411513 is about 381.2413536335.

Adding to 55411513 its reverse (31511455), we get a palindrome (86922968).

The spelling of 55411513 in words is "fifty-five million, four hundred eleven thousand, five hundred thirteen".

Divisors: 1 251 257 859 64507 215609 220763 55411513