13550423004 has 36 divisors (see below), whose sum is σ = 34591600680. Its totient is φ = 4472085600.

The previous prime is 13550422987. The next prime is 13550423041. The reversal of 13550423004 is 40032405531.

13550423004 is a `hidden beast` number, since 1 + 355 + 0 + 4 + 2 + 300 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13550423004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1859734 + ... + 1867005.

Almost surely, 2^13550423004 is an apocalyptic number.

It is an amenable number.

13550423004 is an abundant number, since it is smaller than the sum of its proper divisors (21041177676).

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

13550423004 is a wasteful number, since it uses less digits than its factorization.

13550423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726850 (or 3726845 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13550423004 its reverse (40032405531), we get a palindrome (53582828535).

The spelling of 13550423004 in words is "thirteen billion, five hundred fifty million, four hundred twenty-three thousand, four".