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55180058 = 238817109
BaseRepresentation
bin1101001001111…
…1101100011010
310211211102210212
43102133230122
5103111230213
65250411122
71240010543
oct322375432
9124742725
1055180058
112916965a
1216590aa2
13b58012b
1474854ca
154c9e9a8
hex349fb1a

55180058 has 8 divisors (see below), whose sum is σ = 82803060. Its totient is φ = 27579040.

The previous prime is 55180057. The next prime is 55180063. The reversal of 55180058 is 85008155.

It can be written as a sum of positive squares in 2 ways, for example, as 54213769 + 966289 = 7363^2 + 983^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55180057) 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, 4208 + ... + 11316.

Almost surely, 255180058 is an apocalyptic number.

55180058 is a deficient number, since it is larger than the sum of its proper divisors (27623002).

55180058 is a wasteful number, since it uses less digits than its factorization.

55180058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 55180058 is about 7428.3280756843. The cubic root of 55180058 is about 380.7097952443.

The spelling of 55180058 in words is "fifty-five million, one hundred eighty thousand, fifty-eight".

Divisors: 1 2 3881 7109 7762 14218 27590029 55180058