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55574641 = 280119841
BaseRepresentation
bin1101010000000…
…0000001110001
310212120111002001
43110000001301
5103211342031
65303054001
71243243123
oct324000161
9125514061
1055574641
1129409061
1216741301
13b68a905
147549213
154d2b861
hex3500071

55574641 has 4 divisors (see below), whose sum is σ = 55597284. Its totient is φ = 55552000.

The previous prime is 55574627. The next prime is 55574669. The reversal of 55574641 is 14647555.

It is a happy number.

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 10214416 + 45360225 = 3196^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 55574641 - 25 = 55574609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55574641.

It is not an unprimeable number, because it can be changed into a prime (55574671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7120 + ... + 12721.

It is an arithmetic number, because the mean of its divisors is an integer number (13899321).

Almost surely, 255574641 is an apocalyptic number.

It is an amenable number.

55574641 is a deficient number, since it is larger than the sum of its proper divisors (22643).

55574641 is a wasteful number, since it uses less digits than its factorization.

55574641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642.

The product of its digits is 84000, while the sum is 37.

The square root of 55574641 is about 7454.8401055958. The cubic root of 55574641 is about 381.6151039420.

The spelling of 55574641 in words is "fifty-five million, five hundred seventy-four thousand, six hundred forty-one".

Divisors: 1 2801 19841 55574641