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55449079 = 726330119
BaseRepresentation
bin1101001110000…
…1010111110111
310212100002211121
43103201113313
5103143332304
65300244411
71242211060
oct323412767
9125302747
1055449079
1129332794
12166a0707
13b64570a
147515567
154d04554
hex34e15f7

55449079 has 8 divisors (see below), whose sum is σ = 63613440. Its totient is φ = 47345496.

The previous prime is 55449007. The next prime is 55449127. The reversal of 55449079 is 97094455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55449079 - 211 = 55447031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55449679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13219 + ... + 16900.

It is an arithmetic number, because the mean of its divisors is an integer number (7951680).

Almost surely, 255449079 is an apocalyptic number.

55449079 is a deficient number, since it is larger than the sum of its proper divisors (8164361).

55449079 is a wasteful number, since it uses less digits than its factorization.

55449079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30389.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55449079 is about 7446.4138348604. The cubic root of 55449079 is about 381.3274878241.

The spelling of 55449079 in words is "fifty-five million, four hundred forty-nine thousand, seventy-nine".

Divisors: 1 7 263 1841 30119 210833 7921297 55449079