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55675845 = 32531107373
BaseRepresentation
bin1101010001100…
…0101111000101
310212202121220100
43110120233011
5103223111340
65305154313
71244144151
oct324305705
9125677810
1055675845
11294780a5
121678b999
13b6c49b4
147574061
154d4b830
hex3518bc5

55675845 has 48 divisors (see below), whose sum is σ = 100818432. Its totient is φ = 28391040.

The previous prime is 55675843. The next prime is 55675849. The reversal of 55675845 is 54857655.

55675845 is a `hidden beast` number, since 5 + 5 + 67 + 584 + 5 = 666.

55675845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55675845 - 21 = 55675843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55675845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55675843) 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 47 ways as a sum of consecutive naturals, for example, 149079 + ... + 149451.

It is an arithmetic number, because the mean of its divisors is an integer number (2100384).

Almost surely, 255675845 is an apocalyptic number.

It is an amenable number.

55675845 is a deficient number, since it is larger than the sum of its proper divisors (45142587).

55675845 is a wasteful number, since it uses less digits than its factorization.

55675845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 519 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 55675845 is about 7461.6248230530. The cubic root of 55675845 is about 381.8466097418.

The spelling of 55675845 in words is "fifty-five million, six hundred seventy-five thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 107 155 279 321 373 465 535 963 1119 1395 1605 1865 3317 3357 4815 5595 9951 11563 16585 16785 29853 34689 39911 49755 57815 104067 119733 149265 173445 199555 359199 520335 598665 1237241 1795995 3711723 6186205 11135169 18558615 55675845