554733561401 has 2 divisors, whose sum is σ = 554733561402. Its totient is φ = 554733561400.

The previous prime is 554733561377. The next prime is 554733561433. The reversal of 554733561401 is 104165337455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333043255801 + 221690305600 = 577099^2 + 470840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554733561401 is a prime.

It is not a weakly prime, because it can be changed into another prime (554733561101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277366780700 + 277366780701.

It is an arithmetic number, because the mean of its divisors is an integer number (277366780701).

Almost surely, 2^554733561401 is an apocalyptic number.

It is an amenable number.

554733561401 is a deficient number, since it is larger than the sum of its proper divisors (1).

554733561401 is an equidigital number, since it uses as much as digits as its factorization.

554733561401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 44.

Adding to 554733561401 its reverse (104165337455), we get a palindrome (658898898856).

The spelling of 554733561401 in words is "five hundred fifty-four billion, seven hundred thirty-three million, five hundred sixty-one thousand, four hundred one".