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55652238 = 2333492953
BaseRepresentation
bin1101010001001…
…0111110001110
310212201102112000
43110102332032
5103221332423
65304453130
71244015265
oct324227616
9125642460
1055652238
1129461394
121677a1a6
13b6b7025
1475695dc
154d44843
hex3512f8e

55652238 has 32 divisors (see below), whose sum is σ = 124068000. Its totient is φ = 18491328.

The previous prime is 55652231. The next prime is 55652287. The reversal of 55652238 is 83225655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55652231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17370 + ... + 20322.

It is an arithmetic number, because the mean of its divisors is an integer number (3877125).

Almost surely, 255652238 is an apocalyptic number.

55652238 is an abundant number, since it is smaller than the sum of its proper divisors (68415762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55652238 is a wasteful number, since it uses less digits than its factorization.

55652238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3307 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55652238 is about 7460.0427612715. The cubic root of 55652238 is about 381.7926334482.

The spelling of 55652238 in words is "fifty-five million, six hundred fifty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 349 698 1047 2094 2953 3141 5906 6282 8859 9423 17718 18846 26577 53154 79731 159462 1030597 2061194 3091791 6183582 9275373 18550746 27826119 55652238