19208055 has 8 divisors (see below), whose sum is σ = 30732912. Its totient is φ = 10244288.

The previous prime is 19208053. The next prime is 19208117. The reversal of 19208055 is 55080291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19208055 - 2¹ = 19208053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19208053) 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, 640254 + ... + 640283.

It is an arithmetic number, because the mean of its divisors is an integer number (3841614).

Almost surely, 2^19208055 is an apocalyptic number.

19208055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19208055 is a deficient number, since it is larger than the sum of its proper divisors (11524857).

19208055 is a wasteful number, since it uses less digits than its factorization.

19208055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280545.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 19208055 is about 4382.6995105756. The cubic root of 19208055 is about 267.8106212031.

The spelling of 19208055 in words is "nineteen million, two hundred eight thousand, fifty-five".