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55653671 = 61989909
BaseRepresentation
bin1101010001001…
…1010100100111
310212201111111002
43110103110213
5103221404141
65304503515
71244022413
oct324232447
9125644432
1055653671
1129462477
121677ab9b
13b6b7888
147569d43
154d44e9b
hex3513527

55653671 has 4 divisors (see below), whose sum is σ = 55744200. Its totient is φ = 55563144.

The previous prime is 55653623. The next prime is 55653707. The reversal of 55653671 is 17635655.

55653671 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 is a cyclic number.

It is not a de Polignac number, because 55653671 - 210 = 55652647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55653601) 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, 44336 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (13936050).

Almost surely, 255653671 is an apocalyptic number.

55653671 is a deficient number, since it is larger than the sum of its proper divisors (90529).

55653671 is an equidigital number, since it uses as much as digits as its factorization.

55653671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90528.

The product of its digits is 94500, while the sum is 38.

The square root of 55653671 is about 7460.1388056792. The cubic root of 55653671 is about 381.7959103703.

The spelling of 55653671 in words is "fifty-five million, six hundred fifty-three thousand, six hundred seventy-one".

Divisors: 1 619 89909 55653671