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55331105 = 511066221
BaseRepresentation
bin1101001100010…
…0100100100001
310212010010000012
43103010210201
5103131043410
65253534305
71241210114
oct323044441
9125103005
1055331105
1129262095
1216644395
13b603acb
1474c457b
154cce605
hex34c4921

55331105 has 4 divisors (see below), whose sum is σ = 66397332. Its totient is φ = 44264880.

The previous prime is 55331093. The next prime is 55331119. The reversal of 55331105 is 50113355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 20178064 = 5929^2 + 4492^2 .

It is not a de Polignac number, because 55331105 - 26 = 55331041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533106 + ... + 5533115.

It is an arithmetic number, because the mean of its divisors is an integer number (16599333).

Almost surely, 255331105 is an apocalyptic number.

It is an amenable number.

55331105 is a deficient number, since it is larger than the sum of its proper divisors (11066227).

55331105 is a wasteful number, since it uses less digits than its factorization.

55331105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11066226.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 55331105 is about 7438.4880856260. The cubic root of 55331105 is about 381.0568571099.

The spelling of 55331105 in words is "fifty-five million, three hundred thirty-one thousand, one hundred five".

Divisors: 1 5 11066221 55331105