553501440423 has 16 divisors (see below), whose sum is σ = 824250857440. Its totient is φ = 367089034752.

The previous prime is 553501440409. The next prime is 553501440431. The reversal of 553501440423 is 324044105355.

553501440423 is a `hidden beast` number, since 553 + 50 + 14 + 4 + 0 + 42 + 3 = 666.

553501440423 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553501440423 - 2¹⁷ = 553501309351 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 (553501440433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53103736 + ... + 53114157.

It is an arithmetic number, because the mean of its divisors is an integer number (51515678590).

Almost surely, 2^553501440423 is an apocalyptic number.

553501440423 is a deficient number, since it is larger than the sum of its proper divisors (270749417017).

553501440423 is a wasteful number, since it uses less digits than its factorization.

553501440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106218095 (or 106218089 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 553501440423 its reverse (324044105355), we get a palindrome (877545545778).

The spelling of 553501440423 in words is "five hundred fifty-three billion, five hundred one million, four hundred forty thousand, four hundred twenty-three".