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5550050381 is a prime number
BaseRepresentation
bin1010010101100111…
…10000110001001101
3112022210101202211112
411022303300301031
542331303103011
62314420501405
7254351435621
oct51263606115
915283352745
105550050381
112398949aa7
1210aa84a865
136a5ab8ca5
143a9165181
152273a958b
hex14acf0c4d

5550050381 has 2 divisors, whose sum is σ = 5550050382. Its totient is φ = 5550050380.

The previous prime is 5550050371. The next prime is 5550050411. The reversal of 5550050381 is 1830500555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5466236356 + 83814025 = 73934^2 + 9155^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550050381 - 210 = 5550049357 is a prime.

It is a super-2 number, since 2×55500503812 = 61606118463276490322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550050371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775025190 + 2775025191.

It is an arithmetic number, because the mean of its divisors is an integer number (2775025191).

Almost surely, 25550050381 is an apocalyptic number.

It is an amenable number.

5550050381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550050381 is an equidigital number, since it uses as much as digits as its factorization.

5550050381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 5550050381 is about 74498.6602631215. The cubic root of 5550050381 is about 1770.5124098707.

The spelling of 5550050381 in words is "five billion, five hundred fifty million, fifty thousand, three hundred eighty-one".