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55446811 = 729713847
BaseRepresentation
bin1101001110000…
…0110100011011
310212022222201121
43103200310123
5103143244221
65300230111
71242201340
oct323406433
9125288647
1055446811
1129331012
121669b337
13b644684
1475147c7
154d03a41
hex34e0d1b

55446811 has 16 divisors (see below), whose sum is σ = 66493440. Its totient is φ = 45228960.

The previous prime is 55446779. The next prime is 55446821. The reversal of 55446811 is 11864455.

55446811 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 55446811 - 25 = 55446779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55446821) 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 15 ways as a sum of consecutive naturals, for example, 12490 + ... + 16336.

It is an arithmetic number, because the mean of its divisors is an integer number (4155840).

Almost surely, 255446811 is an apocalyptic number.

55446811 is a deficient number, since it is larger than the sum of its proper divisors (11046629).

55446811 is a wasteful number, since it uses less digits than its factorization.

55446811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its digits is 19200, while the sum is 34.

The square root of 55446811 is about 7446.2615452319. The cubic root of 55446811 is about 381.3222886843.

The spelling of 55446811 in words is "fifty-five million, four hundred forty-six thousand, eight hundred eleven".

Divisors: 1 7 29 71 203 497 2059 3847 14413 26929 111563 273137 780941 1911959 7920973 55446811