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55050542412 = 22323199458487
BaseRepresentation
bin110011010001010001…
…001001110101001100
312021002120022022100020
4303101101021311030
51400220414324122
641142340102140
73656126614125
oct632121116514
9167076268306
1055050542412
112138a661348
12a804394950
135264216868
1429433cb04c
151672e81c5c
hexcd1449d4c

55050542412 has 24 divisors (see below), whose sum is σ = 134036103936. Its totient is φ = 17552346768.

The previous prime is 55050542399. The next prime is 55050542413. The reversal of 55050542412 is 21424505055.

It is not an unprimeable number, because it can be changed into a prime (55050542413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99728968 + ... + 99729519.

It is an arithmetic number, because the mean of its divisors is an integer number (5584837664).

Almost surely, 255050542412 is an apocalyptic number.

It is an amenable number.

55050542412 is an abundant number, since it is smaller than the sum of its proper divisors (78985561524).

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

55050542412 is a wasteful number, since it uses less digits than its factorization.

55050542412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199458517 (or 199458515 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55050542412 in words is "fifty-five billion, fifty million, five hundred forty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 199458487 398916974 598375461 797833948 1196750922 2393501844 4587545201 9175090402 13762635603 18350180804 27525271206 55050542412