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55250868053 is a prime number
BaseRepresentation
bin110011011101001101…
…010101011101010101
312021121112020220110102
4303131031111131111
51401123210234203
641214253503445
73664111425653
oct633515253525
9167545226412
1055250868053
1121482746a27
12a85b4a1b85
135296886144
142961c55dd3
151685852888
hexcdd355755

55250868053 has 2 divisors, whose sum is σ = 55250868054. Its totient is φ = 55250868052.

The previous prime is 55250868041. The next prime is 55250868059. The reversal of 55250868053 is 35086805255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53721041284 + 1529826769 = 231778^2 + 39113^2 .

It is a cyclic number.

It is not a de Polignac number, because 55250868053 - 26 = 55250867989 is a prime.

It is a super-2 number, since 2×552508680532 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55250867989 and 55250868007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55250868059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625434026 + 27625434027.

It is an arithmetic number, because the mean of its divisors is an integer number (27625434027).

Almost surely, 255250868053 is an apocalyptic number.

It is an amenable number.

55250868053 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250868053 is an equidigital number, since it uses as much as digits as its factorization.

55250868053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 55250868053 in words is "fifty-five billion, two hundred fifty million, eight hundred sixty-eight thousand, fifty-three".