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55058171 = 77865453
BaseRepresentation
bin1101001000000…
…1111011111011
310211121020121112
43102001323323
5103043330141
65244030535
71235662310
oct322017373
9124536545
1055058171
1129096023
121653244b
13b5397cc
147452d07
154c787eb
hex3481efb

55058171 has 4 divisors (see below), whose sum is σ = 62923632. Its totient is φ = 47192712.

The previous prime is 55058167. The next prime is 55058177. The reversal of 55058171 is 17185055.

It is a happy number.

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

It is not a de Polignac number, because 55058171 - 22 = 55058167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55058177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932720 + ... + 3932733.

It is an arithmetic number, because the mean of its divisors is an integer number (15730908).

Almost surely, 255058171 is an apocalyptic number.

55058171 is a deficient number, since it is larger than the sum of its proper divisors (7865461).

55058171 is an equidigital number, since it uses as much as digits as its factorization.

55058171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865460.

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 55058171 is about 7420.1193386630. The cubic root of 55058171 is about 380.4292725012.

The spelling of 55058171 in words is "fifty-five million, fifty-eight thousand, one hundred seventy-one".

Divisors: 1 7 7865453 55058171