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55262242291 is a prime number
BaseRepresentation
bin110011011101111000…
…101110010111110011
312021122022122202222111
4303131320232113303
51401134113223131
641215341350151
73664310211004
oct633570562763
9167568582874
1055262242291
1121489105623
12a863268357
135299039369
1429635771ab
15168684cab1
hexcdde2e5f3

55262242291 has 2 divisors, whose sum is σ = 55262242292. Its totient is φ = 55262242290.

The previous prime is 55262242279. The next prime is 55262242351. The reversal of 55262242291 is 19224226255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55262242291 - 213 = 55262234099 is a prime.

It is not a weakly prime, because it can be changed into another prime (55262242591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27631121145 + 27631121146.

It is an arithmetic number, because the mean of its divisors is an integer number (27631121146).

Almost surely, 255262242291 is an apocalyptic number.

55262242291 is a deficient number, since it is larger than the sum of its proper divisors (1).

55262242291 is an equidigital number, since it uses as much as digits as its factorization.

55262242291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The spelling of 55262242291 in words is "fifty-five billion, two hundred sixty-two million, two hundred forty-two thousand, two hundred ninety-one".