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55530000028 = 2221031660097
BaseRepresentation
bin110011101101110110…
…001000111010011100
312022022222111021112201
4303231312020322130
51402211140000103
641302104341244
74004041132546
oct635566107234
9168288437481
1055530000028
1121606267a08
12a918a74824
13530c6586a9
14298ad56696
1516a00dd51d
hexcedd88e9c

55530000028 has 12 divisors (see below), whose sum is σ = 97182267952. Its totient is φ = 27763637760.

The previous prime is 55530000011. The next prime is 55530000037. The reversal of 55530000028 is 82000003555.

It is a junction number, because it is equal to n+sod(n) for n = 55529999960 and 55530000005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245925 + ... + 414172.

Almost surely, 255530000028 is an apocalyptic number.

It is an amenable number.

55530000028 is a deficient number, since it is larger than the sum of its proper divisors (41652267924).

55530000028 is a wasteful number, since it uses less digits than its factorization.

55530000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681132 (or 681130 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 55530000028 in words is "fifty-five billion, five hundred thirty million, twenty-eight", and thus it is an aban number.

Divisors: 1 2 4 21031 42062 84124 660097 1320194 2640388 13882500007 27765000014 55530000028