55275505547 has 2 divisors, whose sum is σ = 55275505548. Its totient is φ = 55275505546.

The previous prime is 55275505543. The next prime is 55275505561. The reversal of 55275505547 is 74550557255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55275505547 - 2² = 55275505543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55275505495 and 55275505504.

It is not a weakly prime, because it can be changed into another prime (55275505541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27637752773 + 27637752774.

It is an arithmetic number, because the mean of its divisors is an integer number (27637752774).

Almost surely, 2^55275505547 is an apocalyptic number.

55275505547 is a deficient number, since it is larger than the sum of its proper divisors (1).

55275505547 is an equidigital number, since it uses as much as digits as its factorization.

55275505547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6125000, while the sum is 50.

The spelling of 55275505547 in words is "fifty-five billion, two hundred seventy-five million, five hundred five thousand, five hundred forty-seven".