55078001047 has 2 divisors, whose sum is σ = 55078001048. Its totient is φ = 55078001046.

The previous prime is 55078001029. The next prime is 55078001087. The reversal of 55078001047 is 74010087055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55078001047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55078000997 and 55078001015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55078001087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27539000523 + 27539000524.

It is an arithmetic number, because the mean of its divisors is an integer number (27539000524).

Almost surely, 2^55078001047 is an apocalyptic number.

55078001047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55078001047 is an equidigital number, since it uses as much as digits as its factorization.

55078001047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 37.

The spelling of 55078001047 in words is "fifty-five billion, seventy-eight million, one thousand, forty-seven".