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55505505037 is a prime number
BaseRepresentation
bin110011101100011000…
…101100101100001101
312022021021101210201211
4303230120230230031
51402133402130122
641255431334421
74003323002563
oct635430545415
9168237353654
1055505505037
11215a3457514
12a910821411
135307560308
1429879bba33
15169cda0877
hexcec62cb0d

55505505037 has 2 divisors, whose sum is σ = 55505505038. Its totient is φ = 55505505036.

The previous prime is 55505505031. The next prime is 55505505047. The reversal of 55505505037 is 73050550555.

It is a happy number.

55505505037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43611639556 + 11893865481 = 208834^2 + 109059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55505505037 is a prime.

It is a super-2 number, since 2×555055050372 (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 (55505505031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752752518 + 27752752519.

It is an arithmetic number, because the mean of its divisors is an integer number (27752752519).

Almost surely, 255505505037 is an apocalyptic number.

It is an amenable number.

55505505037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505505037 is an equidigital number, since it uses as much as digits as its factorization.

55505505037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 328125, while the sum is 40.

The spelling of 55505505037 in words is "fifty-five billion, five hundred five million, five hundred five thousand, thirty-seven".