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55296661 = 77899523
BaseRepresentation
bin1101001011110…
…0001010010101
310212001100202111
43102330022111
5103123443121
65253111021
71241004520
oct322741225
9125040674
1055296661
1129239222
1216628471
13b5c1224
1474b5bb7
154cc42e1
hex34bc295

55296661 has 4 divisors (see below), whose sum is σ = 63196192. Its totient is φ = 47397132.

The previous prime is 55296643. The next prime is 55296671. The reversal of 55296661 is 16669255.

55296661 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55296661 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 (55296671) 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, 3949755 + ... + 3949768.

It is an arithmetic number, because the mean of its divisors is an integer number (15799048).

Almost surely, 255296661 is an apocalyptic number.

It is an amenable number.

55296661 is a deficient number, since it is larger than the sum of its proper divisors (7899531).

55296661 is an equidigital number, since it uses as much as digits as its factorization.

55296661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899530.

The product of its digits is 97200, while the sum is 40.

The square root of 55296661 is about 7436.1724697589. The cubic root of 55296661 is about 380.9777705104.

The spelling of 55296661 in words is "fifty-five million, two hundred ninety-six thousand, six hundred sixty-one".

Divisors: 1 7 7899523 55296661