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55055058 = 239175843
BaseRepresentation
bin1101001000000…
…1001011010010
310211121002100020
43102001023102
5103043230213
65244004310
71235650242
oct322011322
9124532306
1055055058
1129093753
1216530696
13b538276
147451b22
154c77923
hex34812d2

55055058 has 8 divisors (see below), whose sum is σ = 110110128. Its totient is φ = 18351684.

The previous prime is 55055051. The next prime is 55055071. The reversal of 55055058 is 85055055.

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

55055058 is an admirable number.

It is a super-2 number, since 2×550550582 = 6062118822766728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055051) 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, 4587916 + ... + 4587927.

It is an arithmetic number, because the mean of its divisors is an integer number (13763766).

Almost surely, 255055058 is an apocalyptic number.

55055058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055058 is a wasteful number, since it uses less digits than its factorization.

55055058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175848.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 55055058 is about 7419.9095681821. The cubic root of 55055058 is about 380.4221025170.

The spelling of 55055058 in words is "fifty-five million, fifty-five thousand, fifty-eight".

Divisors: 1 2 3 6 9175843 18351686 27527529 55055058