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50974845377 is a prime number
BaseRepresentation
bin101111011110010101…
…100110100111000001
311212120112011110002012
4233132111212213001
51313344030023002
635230103502305
73453130015361
oct573625464701
9155515143065
1050974845377
111a688a75895
129a67457995
134a64a10501
142677db09a1
1514d5257d52
hexbde5669c1

50974845377 has 2 divisors, whose sum is σ = 50974845378. Its totient is φ = 50974845376.

The previous prime is 50974845359. The next prime is 50974845379. The reversal of 50974845377 is 77354847905.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29134734721 + 21840110656 = 170689^2 + 147784^2 .

It is a cyclic number.

It is not a de Polignac number, because 50974845377 - 28 = 50974845121 is a prime.

It is a super-2 number, since 2×509748453772 (a number of 22 digits) contains 22 as substring.

Together with 50974845379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50974845379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25487422688 + 25487422689.

It is an arithmetic number, because the mean of its divisors is an integer number (25487422689).

Almost surely, 250974845377 is an apocalyptic number.

It is an amenable number.

50974845377 is a deficient number, since it is larger than the sum of its proper divisors (1).

50974845377 is an equidigital number, since it uses as much as digits as its factorization.

50974845377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 50974845377 in words is "fifty billion, nine hundred seventy-four million, eight hundred forty-five thousand, three hundred seventy-seven".