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53249731541 is a prime number
BaseRepresentation
bin110001100101111011…
…100110101111010101
312002110001202122020022
4301211323212233111
51333023412402131
640243530314525
73563402151506
oct614573465725
9162401678208
1053249731541
11206460a34a6
12a3a1288a45
1350381016b6
142812182bad
1515b9d1837b
hexc65ee6bd5

53249731541 has 2 divisors, whose sum is σ = 53249731542. Its totient is φ = 53249731540.

The previous prime is 53249731489. The next prime is 53249731547. The reversal of 53249731541 is 14513794235.

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., 45518222500 + 7731509041 = 213350^2 + 87929^2 .

It is a cyclic number.

It is not a de Polignac number, because 53249731541 - 230 = 52175989717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53249731492 and 53249731501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53249731547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26624865770 + 26624865771.

It is an arithmetic number, because the mean of its divisors is an integer number (26624865771).

Almost surely, 253249731541 is an apocalyptic number.

It is an amenable number.

53249731541 is a deficient number, since it is larger than the sum of its proper divisors (1).

53249731541 is an equidigital number, since it uses as much as digits as its factorization.

53249731541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The spelling of 53249731541 in words is "fifty-three billion, two hundred forty-nine million, seven hundred thirty-one thousand, five hundred forty-one".