55281009347 has 2 divisors, whose sum is σ = 55281009348. Its totient is φ = 55281009346.

The previous prime is 55281009299. The next prime is 55281009353. The reversal of 55281009347 is 74390018255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55281009347 - 2¹⁶ = 55280943811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55281009298 and 55281009307.

It is not a weakly prime, because it can be changed into another prime (55281008347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27640504673 + 27640504674.

It is an arithmetic number, because the mean of its divisors is an integer number (27640504674).

Almost surely, 2^55281009347 is an apocalyptic number.

55281009347 is a deficient number, since it is larger than the sum of its proper divisors (1).

55281009347 is an equidigital number, since it uses as much as digits as its factorization.

55281009347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 55281009347 in words is "fifty-five billion, two hundred eighty-one million, nine thousand, three hundred forty-seven".