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55850800 = 2452139627
BaseRepresentation
bin1101010100001…
…1011100110000
310220002111220011
43111003130300
5103244211200
65313024304
71245503215
oct325033460
9126074804
1055850800
1129587595
1216855094
13b756515
1475bbb0c
154d835ba
hex3543730

55850800 has 30 divisors (see below), whose sum is σ = 134182508. Its totient is φ = 22340160.

The previous prime is 55850789. The next prime is 55850803. The reversal of 55850800 is 805855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55850803) 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, 69414 + ... + 70213.

Almost surely, 255850800 is an apocalyptic number.

55850800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55850800 is an abundant number, since it is smaller than the sum of its proper divisors (78331708).

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

55850800 is a wasteful number, since it uses less digits than its factorization.

55850800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139645 (or 139634 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 55850800 is about 7473.3392804020. The cubic root of 55850800 is about 382.2461613414.

The spelling of 55850800 in words is "fifty-five million, eight hundred fifty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 139627 279254 558508 698135 1117016 1396270 2234032 2792540 3490675 5585080 6981350 11170160 13962700 27925400 55850800