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80080055 = 5111456001
BaseRepresentation
bin1001100010111…
…10110010110111
312120200111011222
410301132302313
5131000030210
611540220555
71661445356
oct461366267
9176614158
1080080055
1141226370
122299a75b
131378a963
14a8c799d
15706c655
hex4c5ecb7

80080055 has 8 divisors (see below), whose sum is σ = 104832144. Its totient is φ = 58240000.

The previous prime is 80080027. The next prime is 80080069. The reversal of 80080055 is 55008008.

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

It is not a de Polignac number, because 80080055 - 28 = 80079799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727946 + ... + 728055.

It is an arithmetic number, because the mean of its divisors is an integer number (13104018).

Almost surely, 280080055 is an apocalyptic number.

80080055 is a deficient number, since it is larger than the sum of its proper divisors (24752089).

80080055 is a wasteful number, since it uses less digits than its factorization.

80080055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456017.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 80080055 is about 8948.7460015356. The cubic root of 80080055 is about 431.0306178151.

The spelling of 80080055 in words is "eighty million, eighty thousand, fifty-five".

Divisors: 1 5 11 55 1456001 7280005 16016011 80080055