54823261861 has 2 divisors, whose sum is σ = 54823261862. Its totient is φ = 54823261860.

The previous prime is 54823261853. The next prime is 54823261931. The reversal of 54823261861 is 16816232845.

54823261861 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 can be written as a sum of positive squares in only one way, i.e., 53411832100 + 1411429761 = 231110^2 + 37569^2 .

It is a cyclic number.

It is not a de Polignac number, because 54823261861 - 2³ = 54823261853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54823261261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27411630930 + 27411630931.

It is an arithmetic number, because the mean of its divisors is an integer number (27411630931).

Almost surely, 2^54823261861 is an apocalyptic number.

It is an amenable number.

54823261861 is a deficient number, since it is larger than the sum of its proper divisors (1).

54823261861 is an equidigital number, since it uses as much as digits as its factorization.

54823261861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The spelling of 54823261861 in words is "fifty-four billion, eight hundred twenty-three million, two hundred sixty-one thousand, eight hundred sixty-one".