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551230553 is a prime number
BaseRepresentation
bin100000110110110…
…001110001011001
31102102020102011102
4200312301301121
52112103334203
6130410441145
716442245106
oct4066616131
91372212142
10551230553
11263178745
121347331b5
138a281633
14532cdaad
15335d7888
hex20db1c59

551230553 has 2 divisors, whose sum is σ = 551230554. Its totient is φ = 551230552.

The previous prime is 551230543. The next prime is 551230567. The reversal of 551230553 is 355032155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544428889 + 6801664 = 23333^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 551230553 - 226 = 484121689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (551230543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275615276 + 275615277.

It is an arithmetic number, because the mean of its divisors is an integer number (275615277).

Almost surely, 2551230553 is an apocalyptic number.

It is an amenable number.

551230553 is a deficient number, since it is larger than the sum of its proper divisors (1).

551230553 is an equidigital number, since it uses as much as digits as its factorization.

551230553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 551230553 is about 23478.2996190099. The cubic root of 551230553 is about 819.9318568200.

The spelling of 551230553 in words is "five hundred fifty-one million, two hundred thirty thousand, five hundred fifty-three".