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55442000279 is a prime number
BaseRepresentation
bin110011101000100110…
…011100100110010111
312022002211220102120202
4303220212130212113
51402021123002104
641245242251115
74001622140531
oct635046344627
9168084812522
1055442000279
1121570622446
12a8b34b6a9b
1352c7357033
14297d3aa851
15169750951e
hexce899c997

55442000279 has 2 divisors, whose sum is σ = 55442000280. Its totient is φ = 55442000278.

The previous prime is 55442000233. The next prime is 55442000291. The reversal of 55442000279 is 97200024455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55442000279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55442000879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27721000139 + 27721000140.

It is an arithmetic number, because the mean of its divisors is an integer number (27721000140).

Almost surely, 255442000279 is an apocalyptic number.

55442000279 is a deficient number, since it is larger than the sum of its proper divisors (1).

55442000279 is an equidigital number, since it uses as much as digits as its factorization.

55442000279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 55442000279 in words is "fifty-five billion, four hundred forty-two million, two hundred seventy-nine", and thus it is an aban number.