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53317754531 is a prime number
BaseRepresentation
bin110001101001111111…
…000101111010100011
312002121210202120020022
4301221333011322203
51333143321121111
640254400304055
73565156302326
oct615177057243
9162553676208
1053317754531
1120680534148
12a40001202b
13504922a3a2
14281b20c7bd
1515c0ca32db
hexc69fc5ea3

53317754531 has 2 divisors, whose sum is σ = 53317754532. Its totient is φ = 53317754530.

The previous prime is 53317754507. The next prime is 53317754561. The reversal of 53317754531 is 13545771335.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53317754531 is a prime.

It is a super-2 number, since 2×533177545312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53317754561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658877265 + 26658877266.

It is an arithmetic number, because the mean of its divisors is an integer number (26658877266).

Almost surely, 253317754531 is an apocalyptic number.

53317754531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53317754531 is an equidigital number, since it uses as much as digits as its factorization.

53317754531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 44.

The spelling of 53317754531 in words is "fifty-three billion, three hundred seventeen million, seven hundred fifty-four thousand, five hundred thirty-one".