13550043542 has 16 divisors (see below), whose sum is σ = 23243229600. Its totient is φ = 5803515648.

The previous prime is 13550043509. The next prime is 13550043601. The reversal of 13550043542 is 24534005531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13550043499 and 13550043508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280667 + ... + 325382.

It is an arithmetic number, because the mean of its divisors is an integer number (1452701850).

Almost surely, 2^13550043542 is an apocalyptic number.

13550043542 is a deficient number, since it is larger than the sum of its proper divisors (9693186058).

13550043542 is a wasteful number, since it uses less digits than its factorization.

13550043542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607655.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 13550043542 in words is "thirteen billion, five hundred fifty million, forty-three thousand, five hundred forty-two".