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55738445 = 576126107
BaseRepresentation
bin1101010010100…
…0000001001101
310212212210202212
43110220001031
5103232112240
65310400205
71244524520
oct324500115
9125783685
1055738445
1129510134
1216800065
13b717339
14758cbb7
154d60165
hex352804d

55738445 has 16 divisors (see below), whose sum is σ = 77697408. Its totient is φ = 37592640.

The previous prime is 55738409. The next prime is 55738447. The reversal of 55738445 is 54483755.

It is not a de Polignac number, because 55738445 - 214 = 55722061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55738447) 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, 10919 + ... + 15188.

It is an arithmetic number, because the mean of its divisors is an integer number (4856088).

Almost surely, 255738445 is an apocalyptic number.

It is an amenable number.

55738445 is a deficient number, since it is larger than the sum of its proper divisors (21958963).

55738445 is a wasteful number, since it uses less digits than its factorization.

55738445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26180.

The product of its digits is 336000, while the sum is 41.

The square root of 55738445 is about 7465.8184414035. The cubic root of 55738445 is about 381.9896678583.

The spelling of 55738445 in words is "fifty-five million, seven hundred thirty-eight thousand, four hundred forty-five".

Divisors: 1 5 7 35 61 305 427 2135 26107 130535 182749 913745 1592527 7962635 11147689 55738445