553940510917 has 4 divisors (see below), whose sum is σ = 561742490016. Its totient is φ = 546138531820.

The previous prime is 553940510869. The next prime is 553940510933. The reversal of 553940510917 is 719015049355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553940510917 - 2¹⁹ = 553939986629 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 (553940910917) 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 3 ways as a sum of consecutive naturals, for example, 3900989443 + ... + 3900989584.

It is an arithmetic number, because the mean of its divisors is an integer number (140435622504).

Almost surely, 2^553940510917 is an apocalyptic number.

It is an amenable number.

553940510917 is a deficient number, since it is larger than the sum of its proper divisors (7801979099).

553940510917 is an equidigital number, since it uses as much as digits as its factorization.

553940510917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801979098.

The product of its (nonzero) digits is 850500, while the sum is 49.

The spelling of 553940510917 in words is "five hundred fifty-three billion, nine hundred forty million, five hundred ten thousand, nine hundred seventeen".