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55239488050 = 2521779078219
BaseRepresentation
bin110011011100100001…
…111011001000110010
312021120201211202000211
4303130201323020302
51401112302104200
641213205534334
73663612621055
oct633441731062
9167521752024
1055239488050
1121477283a6a
12a8577143aa
135294400406
142960532a9c
151684855aba
hexcdc87b232

55239488050 has 48 divisors (see below), whose sum is σ = 108816294240. Its totient is φ = 20790882560.

The previous prime is 55239487991. The next prime is 55239488077. The reversal of 55239488050 is 5088493255.

It is a happy number.

55239488050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55239487985 and 55239488003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6716841 + ... + 6725059.

It is an arithmetic number, because the mean of its divisors is an integer number (2267006130).

Almost surely, 255239488050 is an apocalyptic number.

55239488050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55239488050 is a deficient number, since it is larger than the sum of its proper divisors (53576806190).

55239488050 is a wasteful number, since it uses less digits than its factorization.

55239488050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155 (or 16150 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 55239488050 in words is "fifty-five billion, two hundred thirty-nine million, four hundred eighty-eight thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 7907 8219 15814 16438 39535 41095 79070 82190 134419 139723 197675 205475 268838 279446 395350 410950 672095 698615 1344190 1397230 3360475 3493075 6720950 6986150 64987633 129975266 324938165 649876330 1104789761 1624690825 2209579522 3249381650 5523948805 11047897610 27619744025 55239488050