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53075784431 is a prime number
BaseRepresentation
bin110001011011100100…
…000011001011101111
312001222221110012122202
4301123210003023233
51332144400100211
640214354132115
73556160503205
oct613344031357
9161887405582
1053075784431
112056699545a
12a352b8103b
13500b069907
1427d7023075
1515a990853b
hexc5b9032ef

53075784431 has 2 divisors, whose sum is σ = 53075784432. Its totient is φ = 53075784430.

The previous prime is 53075784373. The next prime is 53075784557. The reversal of 53075784431 is 13448757035.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53075784431 - 210 = 53075783407 is a prime.

It is a super-2 number, since 2×530757844312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53075780431) 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, 26537892215 + 26537892216.

It is an arithmetic number, because the mean of its divisors is an integer number (26537892216).

Almost surely, 253075784431 is an apocalyptic number.

53075784431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53075784431 is an equidigital number, since it uses as much as digits as its factorization.

53075784431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 53075784431 in words is "fifty-three billion, seventy-five million, seven hundred eighty-four thousand, four hundred thirty-one".