19055424 has 56 divisors (see below), whose sum is σ = 51275488. Its totient is φ = 6243840.

The previous prime is 19055411. The next prime is 19055429. The reversal of 19055424 is 42455091.

It is a junction number, because it is equal to n+sod(n) for n = 19055391 and 19055400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19055429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10899 + ... + 12525.

Almost surely, 2^19055424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19055424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25637744).

19055424 is an abundant number, since it is smaller than the sum of its proper divisors (32220064).

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

19055424 is a wasteful number, since it uses less digits than its factorization.

19055424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 19055424 is about 4365.2518827669. The cubic root of 19055424 is about 267.0993752603.

The spelling of 19055424 in words is "nineteen million, fifty-five thousand, four hundred twenty-four".