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55237494373 is a prime number
BaseRepresentation
bin110011011100011010…
…010100011001100101
312021120121002110012221
4303130122110121211
51401111244304443
641213055112341
73663556645435
oct633432243145
9167517073187
1055237494373
11214761420a6
12a856b126b1
135293b82b19
1429601742c5
1516845aeeed
hexcdc694665

55237494373 has 2 divisors, whose sum is σ = 55237494374. Its totient is φ = 55237494372.

The previous prime is 55237494329. The next prime is 55237494391. The reversal of 55237494373 is 37349473255.

55237494373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50988801249 + 4248693124 = 225807^2 + 65182^2 .

It is a cyclic number.

It is not a de Polignac number, because 55237494373 - 217 = 55237363301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55237494373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55237494973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27618747186 + 27618747187.

It is an arithmetic number, because the mean of its divisors is an integer number (27618747187).

Almost surely, 255237494373 is an apocalyptic number.

It is an amenable number.

55237494373 is a deficient number, since it is larger than the sum of its proper divisors (1).

55237494373 is an equidigital number, since it uses as much as digits as its factorization.

55237494373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 52.

The spelling of 55237494373 in words is "fifty-five billion, two hundred thirty-seven million, four hundred ninety-four thousand, three hundred seventy-three".