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55098858 = 239183143
BaseRepresentation
bin1101001000101…
…1110111101010
310211200022102110
43102023313222
5103101130413
65244543150
71236222033
oct322136752
9124608373
1055098858
1129113651
1216551ab6
13b552199
147463a8a
154c858c3
hex348bdea

55098858 has 8 divisors (see below), whose sum is σ = 110197728. Its totient is φ = 18366284.

The previous prime is 55098851. The next prime is 55098863. The reversal of 55098858 is 85889055.

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

55098858 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55098851) 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, 4591566 + ... + 4591577.

It is an arithmetic number, because the mean of its divisors is an integer number (13774716).

Almost surely, 255098858 is an apocalyptic number.

55098858 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.

55098858 is a wasteful number, since it uses less digits than its factorization.

55098858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183148.

The product of its (nonzero) digits is 576000, while the sum is 48.

The square root of 55098858 is about 7422.8604998343. The cubic root of 55098858 is about 380.5229595617.

The spelling of 55098858 in words is "fifty-five million, ninety-eight thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9183143 18366286 27549429 55098858