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5556215225 = 521123878453
BaseRepresentation
bin1010010110010110…
…10001110110111001
3112100012222222102002
411023023101312321
542334342341400
62315200550345
7254455023131
oct51313216671
915305888362
105556215225
1123a137a810
1210b09223b5
136a7167022
143a9ccbac1
15227bc5ed5
hex14b2d1db9

5556215225 has 24 divisors (see below), whose sum is σ = 7842837312. Its totient is φ = 3865188800.

The previous prime is 5556215221. The next prime is 5556215257. The reversal of 5556215225 is 5225126555.

It is not a de Polignac number, because 5556215225 - 22 = 5556215221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556215221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432902 + ... + 445551.

It is an arithmetic number, because the mean of its divisors is an integer number (326784888).

Almost surely, 25556215225 is an apocalyptic number.

5556215225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5556215225 is a deficient number, since it is larger than the sum of its proper divisors (2286622087).

5556215225 is a wasteful number, since it uses less digits than its factorization.

5556215225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878497 (or 878492 counting only the distinct ones).

The product of its digits is 150000, while the sum is 38.

The square root of 5556215225 is about 74540.0243157996. The cubic root of 5556215225 is about 1771.1677128687.

The spelling of 5556215225 in words is "five billion, five hundred fifty-six million, two hundred fifteen thousand, two hundred twenty-five".

Divisors: 1 5 11 23 25 55 115 253 275 575 1265 6325 878453 4392265 9662983 20204419 21961325 48314915 101022095 222248609 241574575 505110475 1111243045 5556215225