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55051519 is a prime number
BaseRepresentation
bin1101001000000…
…0010011111111
310211120220111011
43102000103333
5103043122034
65243540051
71235634025
oct322002377
9124526434
1055051519
1129091026
121652a627
13b536783
147450715
154c76864
hex34804ff

55051519 has 2 divisors, whose sum is σ = 55051520. Its totient is φ = 55051518.

The previous prime is 55051487. The next prime is 55051537. The reversal of 55051519 is 91515055.

55051519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55051519 - 25 = 55051487 is a prime.

It is a super-2 number, since 2×550515192 = 6061339488414722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55001519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525759 + 27525760.

It is an arithmetic number, because the mean of its divisors is an integer number (27525760).

Almost surely, 255051519 is an apocalyptic number.

55051519 is a deficient number, since it is larger than the sum of its proper divisors (1).

55051519 is an equidigital number, since it uses as much as digits as its factorization.

55051519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 31.

The square root of 55051519 is about 7419.6710843541. The cubic root of 55051519 is about 380.4139510246.

The spelling of 55051519 in words is "fifty-five million, fifty-one thousand, five hundred nineteen".