54899357647 has 2 divisors, whose sum is σ = 54899357648. Its totient is φ = 54899357646.

The previous prime is 54899357641. The next prime is 54899357657. The reversal of 54899357647 is 74675399845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54899357647 - 2²³ = 54890969039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54899357641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27449678823 + 27449678824.

It is an arithmetic number, because the mean of its divisors is an integer number (27449678824).

Almost surely, 2^54899357647 is an apocalyptic number.

54899357647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54899357647 is an equidigital number, since it uses as much as digits as its factorization.

54899357647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 67.

The spelling of 54899357647 in words is "fifty-four billion, eight hundred ninety-nine million, three hundred fifty-seven thousand, six hundred forty-seven".