554440134521 has 32 divisors (see below), whose sum is σ = 684561174528. Its totient is φ = 437282012160.

The previous prime is 554440134491. The next prime is 554440134539. The reversal of 554440134521 is 125431044455.

It is not a de Polignac number, because 554440134521 - 2¹⁴ = 554440118137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554440134581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115098305 + ... + 115103121.

It is an arithmetic number, because the mean of its divisors is an integer number (21392536704).

Almost surely, 2^554440134521 is an apocalyptic number.

It is an amenable number.

554440134521 is a deficient number, since it is larger than the sum of its proper divisors (130121040007).

554440134521 is a wasteful number, since it uses less digits than its factorization.

554440134521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 554440134521 its reverse (125431044455), we get a palindrome (679871178976).

The spelling of 554440134521 in words is "five hundred fifty-four billion, four hundred forty million, one hundred thirty-four thousand, five hundred twenty-one".