54899357641 has 2 divisors, whose sum is σ = 54899357642. Its totient is φ = 54899357640.

The previous prime is 54899357627. The next prime is 54899357647. The reversal of 54899357641 is 14675399845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53266793616 + 1632564025 = 230796^2 + 40405^2 .

It is a cyclic number.

It is not a de Polignac number, because 54899357641 - 2³³ = 46309423049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54899357641.

It is not a weakly prime, because it can be changed into another prime (54899357647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27449678820 + 27449678821.

It is an arithmetic number, because the mean of its divisors is an integer number (27449678821).

Almost surely, 2^54899357641 is an apocalyptic number.

It is an amenable number.

54899357641 is a deficient number, since it is larger than the sum of its proper divisors (1).

54899357641 is an equidigital number, since it uses as much as digits as its factorization.

54899357641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 61.

The spelling of 54899357641 in words is "fifty-four billion, eight hundred ninety-nine million, three hundred fifty-seven thousand, six hundred forty-one".