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54630221053 is a prime number
BaseRepresentation
bin110010111000001101…
…110000010011111101
312020000021101202211111
4302320031300103331
51343340314033203
641032523122021
73642534134332
oct627015602375
9166007352744
1054630221053
1121194376721
12a707673311
1351c810b7b5
142903656989
15164b10726d
hexcb83704fd

54630221053 has 2 divisors, whose sum is σ = 54630221054. Its totient is φ = 54630221052.

The previous prime is 54630221039. The next prime is 54630221059. The reversal of 54630221053 is 35012203645.

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., 30118561209 + 24511659844 = 173547^2 + 156562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54630221053 is a prime.

It is a super-2 number, since 2×546302210532 (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 (54630221059) 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, 27315110526 + 27315110527.

It is an arithmetic number, because the mean of its divisors is an integer number (27315110527).

Almost surely, 254630221053 is an apocalyptic number.

It is an amenable number.

54630221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

54630221053 is an equidigital number, since it uses as much as digits as its factorization.

54630221053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 54630221053 its reverse (35012203645), we get a palindrome (89642424698).

The spelling of 54630221053 in words is "fifty-four billion, six hundred thirty million, two hundred twenty-one thousand, fifty-three".