19055641 has 4 divisors (see below), whose sum is σ = 20787984. Its totient is φ = 17323300.

The previous prime is 19055627. The next prime is 19055677. The reversal of 19055641 is 14655091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14655091 = 11 ⋅1332281.

It is a cyclic number.

It is not a de Polignac number, because 19055641 - 2⁵ = 19055609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19055041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866155 + ... + 866176.

It is an arithmetic number, because the mean of its divisors is an integer number (5196996).

Almost surely, 2^19055641 is an apocalyptic number.

19055641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19055641 is a deficient number, since it is larger than the sum of its proper divisors (1732343).

19055641 is a wasteful number, since it uses less digits than its factorization.

19055641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732342.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 19055641 is about 4365.2767380774. The cubic root of 19055641 is about 267.1003891509.

The spelling of 19055641 in words is "nineteen million, fifty-five thousand, six hundred forty-one".