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53551244101 is a prime number
BaseRepresentation
bin110001110111111001…
…110010001101000101
312010020002010001201011
4301313321302031011
51334133104302401
640333501002221
73604023031045
oct616771621505
9163202101634
1053551244101
1120790310333
12a466253371
13508570bab4
14284022b725
1515d6525451
hexc77e72345

53551244101 has 2 divisors, whose sum is σ = 53551244102. Its totient is φ = 53551244100.

The previous prime is 53551244099. The next prime is 53551244143. The reversal of 53551244101 is 10144215535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52407113476 + 1144130625 = 228926^2 + 33825^2 .

It is a cyclic number.

It is not a de Polignac number, because 53551244101 - 21 = 53551244099 is a prime.

Together with 53551244099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53551244801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775622050 + 26775622051.

It is an arithmetic number, because the mean of its divisors is an integer number (26775622051).

Almost surely, 253551244101 is an apocalyptic number.

It is an amenable number.

53551244101 is a deficient number, since it is larger than the sum of its proper divisors (1).

53551244101 is an equidigital number, since it uses as much as digits as its factorization.

53551244101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 53551244101 its reverse (10144215535), we get a palindrome (63695459636).

It can be divided in two parts, 5355124 and 4101, that added together give a square (5359225 = 23152).

The spelling of 53551244101 in words is "fifty-three billion, five hundred fifty-one million, two hundred forty-four thousand, one hundred one".