54401799553 has 2 divisors, whose sum is σ = 54401799554. Its totient is φ = 54401799552.

The previous prime is 54401799511. The next prime is 54401799581. The reversal of 54401799553 is 35599710445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53818432144 + 583367409 = 231988^2 + 24153^2 .

It is a cyclic number.

It is not a de Polignac number, because 54401799553 - 2²⁵ = 54368245121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54401799553.

It is not a weakly prime, because it can be changed into another prime (54401794553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200899776 + 27200899777.

It is an arithmetic number, because the mean of its divisors is an integer number (27200899777).

Almost surely, 2^54401799553 is an apocalyptic number.

It is an amenable number.

54401799553 is a deficient number, since it is larger than the sum of its proper divisors (1).

54401799553 is an equidigital number, since it uses as much as digits as its factorization.

54401799553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 54401799553 in words is "fifty-four billion, four hundred one million, seven hundred ninety-nine thousand, five hundred fifty-three".