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552217157 is a prime number
BaseRepresentation
bin100000111010100…
…010101001000101
31102111002112112022
4200322202221011
52112331422112
6130443532525
716453524362
oct4072425105
91374075468
10552217157
11263791a18
12134b2a145
138a53871b
14534a9469
153372ed72
hex20ea2a45

552217157 has 2 divisors, whose sum is σ = 552217158. Its totient is φ = 552217156.

The previous prime is 552217153. The next prime is 552217181. The reversal of 552217157 is 751712255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276856321 + 275360836 = 16639^2 + 16594^2 .

It is a cyclic number.

It is not a de Polignac number, because 552217157 - 22 = 552217153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552217153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276108578 + 276108579.

It is an arithmetic number, because the mean of its divisors is an integer number (276108579).

Almost surely, 2552217157 is an apocalyptic number.

It is an amenable number.

552217157 is a deficient number, since it is larger than the sum of its proper divisors (1).

552217157 is an equidigital number, since it uses as much as digits as its factorization.

552217157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24500, while the sum is 35.

The square root of 552217157 is about 23499.3012023762. The cubic root of 552217157 is about 820.4207423390.

The spelling of 552217157 in words is "five hundred fifty-two million, two hundred seventeen thousand, one hundred fifty-seven".