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55608863 = 2910717921
BaseRepresentation
bin1101010000100…
…0011000011111
310212122020000112
43110020120133
5103213440423
65303520235
71243444652
oct324103037
9125566015
1055608863
1129431842
121675907b
13b6a036b
147557899
154d36a78
hex350861f

55608863 has 8 divisors (see below), whose sum is σ = 58067280. Its totient is φ = 53186560.

The previous prime is 55608821. The next prime is 55608869. The reversal of 55608863 is 36880655.

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 55608863 - 214 = 55592479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55608863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55608869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (7258410).

Almost surely, 255608863 is an apocalyptic number.

55608863 is a deficient number, since it is larger than the sum of its proper divisors (2458417).

55608863 is a wasteful number, since it uses less digits than its factorization.

55608863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 55608863 is about 7457.1350396784. The cubic root of 55608863 is about 381.6934187520.

The spelling of 55608863 in words is "fifty-five million, six hundred eight thousand, eight hundred sixty-three".

Divisors: 1 29 107 3103 17921 519709 1917547 55608863