54778543051 has 2 divisors, whose sum is σ = 54778543052. Its totient is φ = 54778543050.

The previous prime is 54778543049. The next prime is 54778543067. The reversal of 54778543051 is 15034587745.

54778543051 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 is a cyclic number.

It is not a de Polignac number, because 54778543051 - 2¹ = 54778543049 is a prime.

Together with 54778543049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54778542986 and 54778543004.

It is not a weakly prime, because it can be changed into another prime (54778546051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27389271525 + 27389271526.

It is an arithmetic number, because the mean of its divisors is an integer number (27389271526).

Almost surely, 2^54778543051 is an apocalyptic number.

54778543051 is a deficient number, since it is larger than the sum of its proper divisors (1).

54778543051 is an equidigital number, since it uses as much as digits as its factorization.

54778543051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 54778543051 in words is "fifty-four billion, seven hundred seventy-eight million, five hundred forty-three thousand, fifty-one".