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5550005531 = 72421269039
BaseRepresentation
bin1010010101100111…
…00101110100011011
3112022210022111022102
411022303211310123
542331300134111
62314415514015
7254351161100
oct51263456433
915283274272
105550005531
112398919334
1210aa82890b
136a5aa1755
143a9152aa7
1522739b13b
hex14ace5d1b

5550005531 has 12 divisors (see below), whose sum is σ = 6471488160. Its totient is φ = 4745830320.

The previous prime is 5550005519. The next prime is 5550005567. The reversal of 5550005531 is 1355000555.

It is not a de Polignac number, because 5550005531 - 230 = 4476263707 is a prime.

It is a super-2 number, since 2×55500055312 = 61605122788261183922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5550005494 and 5550005503.

It is not an unprimeable number, because it can be changed into a prime (5550005231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113891 + ... + 155148.

It is an arithmetic number, because the mean of its divisors is an integer number (539290680).

Almost surely, 25550005531 is an apocalyptic number.

5550005531 is a deficient number, since it is larger than the sum of its proper divisors (921482629).

5550005531 is a wasteful number, since it uses less digits than its factorization.

5550005531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269474 (or 269467 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 29.

The square root of 5550005531 is about 74498.3592503889. The cubic root of 5550005531 is about 1770.5076406830.

The spelling of 5550005531 in words is "five billion, five hundred fifty million, five thousand, five hundred thirty-one".

Divisors: 1 7 49 421 2947 20629 269039 1883273 13182911 113265419 792857933 5550005531