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55505110550 = 25210110991111
BaseRepresentation
bin110011101100010111…
…001100011000010110
312022021020122202121012
4303230113030120112
51402133302014200
641255415052222
74003316440511
oct635427143026
9168236582535
1055505110550
11215a320809a
12a910671072
1353074528a6
142987917d78
15169cd23a35
hexcec5cc616

55505110550 has 24 divisors (see below), whose sum is σ = 104261688432. Its totient is φ = 21982220000.

The previous prime is 55505110537. The next prime is 55505110559. The reversal of 55505110550 is 5501150555.

55505110550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505110559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5490506 + ... + 5500605.

It is an arithmetic number, because the mean of its divisors is an integer number (4344237018).

Almost surely, 255505110550 is an apocalyptic number.

55505110550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55505110550 is a deficient number, since it is larger than the sum of its proper divisors (48756577882).

55505110550 is a wasteful number, since it uses less digits than its factorization.

55505110550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991224 (or 10991219 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55505110550 in words is "fifty-five billion, five hundred five million, one hundred ten thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 101 202 505 1010 2525 5050 10991111 21982222 54955555 109911110 274777775 549555550 1110102211 2220204422 5550511055 11101022110 27752555275 55505110550