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55078058 = 272562021
BaseRepresentation
bin1101001000011…
…0110010101010
310211122020220002
43102012302222
5103044444213
65244303002
71236104300
oct322066252
9124566802
1055078058
11290a9a62
1216541a62
13b545889
14745a270
154c7e658
hex3486caa

55078058 has 12 divisors (see below), whose sum is σ = 96105762. Its totient is φ = 23604840.

The previous prime is 55078057. The next prime is 55078061. The reversal of 55078058 is 85087055.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 2181529 = 7273^2 + 1477^2 .

It is a super-3 number, since 3×550780583 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55078057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280913 + ... + 281108.

Almost surely, 255078058 is an apocalyptic number.

55078058 is a deficient number, since it is larger than the sum of its proper divisors (41027704).

55078058 is a wasteful number, since it uses less digits than its factorization.

55078058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562037 (or 562030 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 55078058 is about 7421.4592904630. The cubic root of 55078058 is about 380.4750706458.

The spelling of 55078058 in words is "fifty-five million, seventy-eight thousand, fifty-eight".

Divisors: 1 2 7 14 49 98 562021 1124042 3934147 7868294 27539029 55078058