5423553240520 has 64 divisors (see below), whose sum is σ = 12930601244400. Its totient is φ = 2040262287360.

The previous prime is 5423553240517. The next prime is 5423553240563. The reversal of 5423553240520 is 250423553245.

It can be written as a sum of positive squares in 8 ways, for example, as 2562387756516 + 2861165484004 = 1600746^2 + 1691498^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120575 + ... + 3917134.

Almost surely, 2^{5423553240520} is an apocalyptic number.

It is an amenable number.

5423553240520 is an abundant number, since it is smaller than the sum of its proper divisors (7507048003880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5423553240520 is a wasteful number, since it uses less digits than its factorization.

5423553240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039058 (or 6039054 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 5423553240520 its reverse (250423553245), we get a palindrome (5673976793765).

The spelling of 5423553240520 in words is "five trillion, four hundred twenty-three billion, five hundred fifty-three million, two hundred forty thousand, five hundred twenty".