554256641 has 4 divisors (see below), whose sum is σ = 555231300. Its totient is φ = 553281984.

The previous prime is 554256631. The next prime is 554256649. The reversal of 554256641 is 146652455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326850241 + 227406400 = 18079^2 + 15080^2 .

It is a cyclic number.

It is not a de Polignac number, because 554256641 - 2²⁶ = 487147777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554256595 and 554256604.

It is not an unprimeable number, because it can be changed into a prime (554256649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486476 + ... + 487613.

It is an arithmetic number, because the mean of its divisors is an integer number (138807825).

Almost surely, 2^554256641 is an apocalyptic number.

It is an amenable number.

554256641 is a deficient number, since it is larger than the sum of its proper divisors (974659).

554256641 is an equidigital number, since it uses as much as digits as its factorization.

554256641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974658.

The product of its digits is 144000, while the sum is 38.

The square root of 554256641 is about 23542.6557762713. The cubic root of 554256641 is about 821.4295117289.

The spelling of 554256641 in words is "five hundred fifty-four million, two hundred fifty-six thousand, six hundred forty-one".