54211764770641 has 2 divisors, whose sum is σ = 54211764770642. Its totient is φ = 54211764770640.

The previous prime is 54211764770629. The next prime is 54211764770689. The reversal of 54211764770641 is 14607746711245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53997821519041 + 213943251600 = 7348321^2 + 462540^2 .

It is a cyclic number.

It is not a de Polignac number, because 54211764770641 - 2⁵ = 54211764770609 is a prime.

It is not a weakly prime, because it can be changed into another prime (54211764770041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27105882385320 + 27105882385321.

It is an arithmetic number, because the mean of its divisors is an integer number (27105882385321).

Almost surely, 2^{54211764770641} is an apocalyptic number.

It is an amenable number.

54211764770641 is a deficient number, since it is larger than the sum of its proper divisors (1).

54211764770641 is an equidigital number, since it uses as much as digits as its factorization.

54211764770641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 54211764770641 in words is "fifty-four trillion, two hundred eleven billion, seven hundred sixty-four million, seven hundred seventy thousand, six hundred forty-one".