54810858961 has 2 divisors, whose sum is σ = 54810858962. Its totient is φ = 54810858960.

The previous prime is 54810858923. The next prime is 54810858967. The reversal of 54810858961 is 16985801845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50644801936 + 4166057025 = 225044^2 + 64545^2 .

It is a cyclic number.

It is not a de Polignac number, because 54810858961 - 2¹³ = 54810850769 is a prime.

It is not a weakly prime, because it can be changed into another prime (54810858967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27405429480 + 27405429481.

It is an arithmetic number, because the mean of its divisors is an integer number (27405429481).

Almost surely, 2^54810858961 is an apocalyptic number.

It is an amenable number.

54810858961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54810858961 is an equidigital number, since it uses as much as digits as its factorization.

54810858961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 55.

The spelling of 54810858961 in words is "fifty-four billion, eight hundred ten million, eight hundred fifty-eight thousand, nine hundred sixty-one".