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54511030531 is a prime number
BaseRepresentation
bin110010110001000111…
…000101000100000011
312012200222010021011201
4302301013011010003
51343114310434111
641013024322031
73636556054156
oct626107050403
9165628107151
1054511030531
1121133068061
12a693773317
1351a9509169
1428d18abc9d
1516409116c1
hexcb11c5103

54511030531 has 2 divisors, whose sum is σ = 54511030532. Its totient is φ = 54511030530.

The previous prime is 54511030513. The next prime is 54511030537. The reversal of 54511030531 is 13503011545.

Together with previous prime (54511030513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54511030531 - 29 = 54511030019 is a prime.

It is a super-2 number, since 2×545110305312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54511030531.

It is not a weakly prime, because it can be changed into another prime (54511030537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27255515265 + 27255515266.

It is an arithmetic number, because the mean of its divisors is an integer number (27255515266).

Almost surely, 254511030531 is an apocalyptic number.

54511030531 is a deficient number, since it is larger than the sum of its proper divisors (1).

54511030531 is an equidigital number, since it uses as much as digits as its factorization.

54511030531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 54511030531 in words is "fifty-four billion, five hundred eleven million, thirty thousand, five hundred thirty-one".