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55080000554 = 2109252660553
BaseRepresentation
bin110011010011000001…
…100001110000101010
312021011121201221022112
4303103001201300222
51400300440004204
641145311322322
73656635164665
oct632301416052
9167147657275
1055080000554
11213a5251717
12a8122203a2
13526a35c007
1429472986dc
15167585026e
hexcd3061c2a

55080000554 has 8 divisors (see below), whose sum is σ = 83377982820. Its totient is φ = 27287339616.

The previous prime is 55080000539. The next prime is 55080000557. The reversal of 55080000554 is 45500008055.

It can be written as a sum of positive squares in 2 ways, for example, as 47884380625 + 7195619929 = 218825^2 + 84827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×550800005542 (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 55080000554.

It is not an unprimeable number, because it can be changed into a prime (55080000557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126330059 + ... + 126330494.

Almost surely, 255080000554 is an apocalyptic number.

55080000554 is a deficient number, since it is larger than the sum of its proper divisors (28297982266).

55080000554 is a wasteful number, since it uses less digits than its factorization.

55080000554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252660664.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 55080000554 in words is "fifty-five billion, eighty million, five hundred fifty-four", and thus it is an aban number.

Divisors: 1 2 109 218 252660553 505321106 27540000277 55080000554