554256405551 has 2 divisors, whose sum is σ = 554256405552. Its totient is φ = 554256405550.

The previous prime is 554256405539. The next prime is 554256405581. The reversal of 554256405551 is 155504652455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554256405551 - 2¹⁸ = 554256143407 is a prime.

It is a super-2 number, since 2×554256405551² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 554256405496 and 554256405505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554256405511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277128202775 + 277128202776.

It is an arithmetic number, because the mean of its divisors is an integer number (277128202776).

Almost surely, 2^554256405551 is an apocalyptic number.

554256405551 is a deficient number, since it is larger than the sum of its proper divisors (1).

554256405551 is an equidigital number, since it uses as much as digits as its factorization.

554256405551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 554256405551 in words is "five hundred fifty-four billion, two hundred fifty-six million, four hundred five thousand, five hundred fifty-one".