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55136255077 is a prime number
BaseRepresentation
bin110011010110011000…
…000111110001100101
312021022112120222000101
4303112120013301211
51400404340130302
641155041144101
73661220302231
oct632630076145
9167275528011
1055136255077
1121423a84562
12a82902b031
135278bc7207
14295093d5c1
15167a763287
hexcd6607c65

55136255077 has 2 divisors, whose sum is σ = 55136255078. Its totient is φ = 55136255076.

The previous prime is 55136255029. The next prime is 55136255123. The reversal of 55136255077 is 77055263155.

55136255077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (55136255123) can be obtained adding 55136255077 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54912423556 + 223831521 = 234334^2 + 14961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55136255077 is a prime.

It is a super-5 number, since 5×551362550775 (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55136255177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568127538 + 27568127539.

It is an arithmetic number, because the mean of its divisors is an integer number (27568127539).

Almost surely, 255136255077 is an apocalyptic number.

It is an amenable number.

55136255077 is a deficient number, since it is larger than the sum of its proper divisors (1).

55136255077 is an equidigital number, since it uses as much as digits as its factorization.

55136255077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102500, while the sum is 46.

The spelling of 55136255077 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-five thousand, seventy-seven".