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55607880650 = 2527389408431
BaseRepresentation
bin110011110010011111…
…001110101111001010
312022112102001000200012
4303302133032233022
51402341104140100
641313525511522
74006005121010
oct636237165712
9168472030605
1055607880650
1121646220863
12a93ab725a2
1353228261ba
14299742a8b0
1516a6d74135
hexcf27cebca

55607880650 has 48 divisors (see below), whose sum is σ = 118510629120. Its totient is φ = 19016500800.

The previous prime is 55607880649. The next prime is 55607880703. The reversal of 55607880650 is 5608870655.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 68066 + ... + 340365.

It is an arithmetic number, because the mean of its divisors is an integer number (2468971440).

Almost surely, 255607880650 is an apocalyptic number.

55607880650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55607880650 is an abundant number, since it is smaller than the sum of its proper divisors (62902748470).

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

55607880650 is a wasteful number, since it uses less digits than its factorization.

55607880650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408839 (or 408834 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 55607880650 in words is "fifty-five billion, six hundred seven million, eight hundred eighty thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 389 778 1945 2723 3890 5446 9725 13615 19450 27230 68075 136150 408431 816862 2042155 2859017 4084310 5718034 10210775 14295085 20421550 28590170 71475425 142950850 158879659 317759318 794398295 1112157613 1588796590 2224315226 3971991475 5560788065 7943982950 11121576130 27803940325 55607880650