19055827 has 16 divisors (see below), whose sum is σ = 23362560. Its totient is φ = 15170688.

The previous prime is 19055809. The next prime is 19055831. The reversal of 19055827 is 72855091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19055827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19055807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8388 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (1460160).

Almost surely, 2^19055827 is an apocalyptic number.

19055827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

19055827 is a deficient number, since it is larger than the sum of its proper divisors (4306733).

19055827 is a wasteful number, since it uses less digits than its factorization.

19055827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 19055827 is about 4365.2980425167. The cubic root of 19055827 is about 267.1012581938.

The spelling of 19055827 in words is "nineteen million, fifty-five thousand, eight hundred twenty-seven".