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54540311437 is a prime number
BaseRepresentation
bin110010110010110110…
…110001101110001101
312012210000012220000201
4302302312301232031
51343144304431222
641015552053501
73640362666223
oct626266615615
9165700186021
1054540311437
1121148647257
12a6a1534291
1351b25bba41
1428d5730b13
151643297427
hexcb2db1b8d

54540311437 has 2 divisors, whose sum is σ = 54540311438. Its totient is φ = 54540311436.

The previous prime is 54540311393. The next prime is 54540311453. The reversal of 54540311437 is 73411304545.

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., 34674536521 + 19865774916 = 186211^2 + 140946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54540311437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54540311396 and 54540311405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54540311467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27270155718 + 27270155719.

It is an arithmetic number, because the mean of its divisors is an integer number (27270155719).

Almost surely, 254540311437 is an apocalyptic number.

It is an amenable number.

54540311437 is a deficient number, since it is larger than the sum of its proper divisors (1).

54540311437 is an equidigital number, since it uses as much as digits as its factorization.

54540311437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 54540311437 in words is "fifty-four billion, five hundred forty million, three hundred eleven thousand, four hundred thirty-seven".