19055853 has 6 divisors (see below), whose sum is σ = 27525134. Its totient is φ = 12703896.

The previous prime is 19055849. The next prime is 19055863. The reversal of 19055853 is 35855091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16990884 + 2064969 = 4122^2 + 1437^2 .

It is not a de Polignac number, because 19055853 - 2² = 19055849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19055843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058650 + ... + 1058667.

Almost surely, 2^19055853 is an apocalyptic number.

It is an amenable number.

19055853 is a deficient number, since it is larger than the sum of its proper divisors (8469281).

19055853 is a wasteful number, since it uses less digits than its factorization.

19055853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117323 (or 2117320 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 19055853 is about 4365.3010205483. The cubic root of 19055853 is about 267.1013796725.

The spelling of 19055853 in words is "nineteen million, fifty-five thousand, eight hundred fifty-three".