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55608436 = 2213282261
BaseRepresentation
bin1101010000100…
…0010001110100
310212122012102201
43110020101310
5103213432221
65303514244
71243443502
oct324102164
9125565381
1055608436
1129431494
1216758984
13b6a0100
147557672
154d36891
hex3508474

55608436 has 18 divisors (see below), whose sum is σ = 105377622. Its totient is φ = 25665120.

The previous prime is 55608433. The next prime is 55608467. The reversal of 55608436 is 63480655.

It can be written as a sum of positive squares in 3 ways, for example, as 3132900 + 52475536 = 1770^2 + 7244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55608395 and 55608404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55608431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40455 + ... + 41806.

Almost surely, 255608436 is an apocalyptic number.

It is an amenable number.

55608436 is a deficient number, since it is larger than the sum of its proper divisors (49769186).

55608436 is a wasteful number, since it uses less digits than its factorization.

55608436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82291 (or 82276 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 55608436 is about 7457.1064093253. The cubic root of 55608436 is about 381.6924417884.

The spelling of 55608436 in words is "fifty-five million, six hundred eight thousand, four hundred thirty-six".

Divisors: 1 2 4 13 26 52 169 338 676 82261 164522 329044 1069393 2138786 4277572 13902109 27804218 55608436