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55554950555 = 5132273765161
BaseRepresentation
bin110011101111010101…
…010100010110011011
312022101201102220020022
4303233111110112123
51402234031404210
641304355221055
74004463200606
oct635725242633
9168351386208
1055554950555
1121619359685
12a9252a778b
135314883210
1429903ad33d
1516a23bb155
hexcef55459b

55554950555 has 16 divisors (see below), whose sum is σ = 72110382624. Its totient is φ = 40844455680.

The previous prime is 55554950551. The next prime is 55554950567. The reversal of 55554950555 is 55505945555.

It is not a de Polignac number, because 55554950555 - 22 = 55554950551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55554950497 and 55554950506.

It is not an unprimeable number, because it can be changed into a prime (55554950551) 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, 1867826 + ... + 1897335.

It is an arithmetic number, because the mean of its divisors is an integer number (4506898914).

Almost surely, 255554950555 is an apocalyptic number.

55554950555 is a deficient number, since it is larger than the sum of its proper divisors (16555432069).

55554950555 is a wasteful number, since it uses less digits than its factorization.

55554950555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765406.

The product of its (nonzero) digits is 14062500, while the sum is 53.

The spelling of 55554950555 in words is "fifty-five billion, five hundred fifty-four million, nine hundred fifty thousand, five hundred fifty-five".

Divisors: 1 5 13 65 227 1135 2951 14755 3765161 18825805 48947093 244735465 854691547 4273457735 11110990111 55554950555