Search a number
-
+
55505055498 = 2373610120771
BaseRepresentation
bin110011101100010110…
…111110111100001010
312022021020112222002020
4303230112332330022
51402133243233443
641255413545310
74003316121144
oct635426767412
9168236488066
1055505055498
11215a317a7a2
12a910645236
135307433809
142987901c94
15169cd12583
hexcec5bef0a

55505055498 has 32 divisors (see below), whose sum is σ = 112554660672. Its totient is φ = 18244368000.

The previous prime is 55505055493. The next prime is 55505055503. The reversal of 55505055498 is 89455050555.

It is an interprime number because it is at equal distance from previous prime (55505055493) and next prime (55505055503).

It is a super-2 number, since 2×555050554982 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55505055498.

It is not an unprimeable number, because it can be changed into a prime (55505055493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661853 + ... + 2682623.

It is an arithmetic number, because the mean of its divisors is an integer number (3517333146).

Almost surely, 255505055498 is an apocalyptic number.

55505055498 is an abundant number, since it is smaller than the sum of its proper divisors (57049605174).

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

55505055498 is a wasteful number, since it uses less digits than its factorization.

55505055498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26950.

The product of its (nonzero) digits is 4500000, while the sum is 51.

The spelling of 55505055498 in words is "fifty-five billion, five hundred five million, fifty-five thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 73 146 219 438 6101 12202 18303 20771 36606 41542 62313 124626 445373 890746 1336119 1516283 2672238 3032566 4548849 9097698 126723871 253447742 380171613 760343226 9250842583 18501685166 27752527749 55505055498