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55500505051 = 23291011395927
BaseRepresentation
bin110011101100000101…
…100111111111011011
312022020220222210001011
4303230011213333123
51402131112130201
641255132234351
74003232336425
oct635405477733
9168226883034
1055500505051
11215a06519a2
12a90b00b9b7
1353064cc544
142987079815
15169c714151
hexcec167fdb

55500505051 has 32 divisors (see below), whose sum is σ = 60949324800. Its totient is φ = 50375740800.

The previous prime is 55500505037. The next prime is 55500505079. The reversal of 55500505051 is 15050500555.

It is not a de Polignac number, because 55500505051 - 213 = 55500496859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500502051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9361050 + ... + 9366976.

It is an arithmetic number, because the mean of its divisors is an integer number (1904666400).

Almost surely, 255500505051 is an apocalyptic number.

55500505051 is a deficient number, since it is larger than the sum of its proper divisors (5448819749).

55500505051 is a wasteful number, since it uses less digits than its factorization.

55500505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55500505051 in words is "fifty-five billion, five hundred million, five hundred five thousand, fifty-one".

Divisors: 1 23 29 101 139 667 2323 2929 3197 4031 5927 14039 67367 92713 136321 171883 322897 407131 598627 823853 3953309 9364013 13768421 17360183 18948619 23891737 83209153 399284209 549509951 1913810519 2413065437 55500505051