554181980357 has 16 divisors (see below), whose sum is σ = 605969490672. Its totient is φ = 504682306560.

The previous prime is 554181980327. The next prime is 554181980377. The reversal of 554181980357 is 753089181455.

It is a Cunningham number, because it is equal to 744434²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 58292790721 + 495889189636 = 241439^2 + 704194^2 .

It is a cyclic number.

It is not a de Polignac number, because 554181980357 - 2¹² = 554181976261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554181980327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319998 + ... + 2547695.

It is an arithmetic number, because the mean of its divisors is an integer number (37873093167).

Almost surely, 2^554181980357 is an apocalyptic number.

It is an amenable number.

554181980357 is a deficient number, since it is larger than the sum of its proper divisors (51787510315).

554181980357 is a wasteful number, since it uses less digits than its factorization.

554181980357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867928.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 554181980357 in words is "five hundred fifty-four billion, one hundred eighty-one million, nine hundred eighty thousand, three hundred fifty-seven".