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55710638 = 2238111699
BaseRepresentation
bin1101010010000…
…1001110101110
310212211101121222
43110201032232
5103230220023
65310023342
71244350454
oct324411656
9125741558
1055710638
11294a1255
12167a7b52
13b707799
1475829d4
154d56cc8
hex35213ae

55710638 has 8 divisors (see below), whose sum is σ = 83608200. Its totient is φ = 27841240.

The previous prime is 55710637. The next prime is 55710643. The reversal of 55710638 is 83601755.

55710638 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 junction number, because it is equal to n+sod(n) for n = 55710598 and 55710607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55710631) 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, 1088 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (10451025).

Almost surely, 255710638 is an apocalyptic number.

55710638 is a deficient number, since it is larger than the sum of its proper divisors (27897562).

55710638 is a wasteful number, since it uses less digits than its factorization.

55710638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14082.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55710638 is about 7463.9559216276. The cubic root of 55710638 is about 381.9261344894.

The spelling of 55710638 in words is "fifty-five million, seven hundred ten thousand, six hundred thirty-eight".

Divisors: 1 2 2381 4762 11699 23398 27855319 55710638