199053855 has 160 divisors (see below), whose sum is σ = 480066048. Its totient is φ = 76204800.

The previous prime is 199053853. The next prime is 199053859. The reversal of 199053855 is 558350991.

It is not a de Polignac number, because 199053855 - 2¹ = 199053853 is a prime.

It is a super-2 number, since 2×199053855² = 79244874380722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 199053855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199053853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 405160 + ... + 405650.

Almost surely, 2^199053855 is an apocalyptic number.

199053855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199053855 is an abundant number, since it is smaller than the sum of its proper divisors (281012193).

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

199053855 is a wasteful number, since it uses less digits than its factorization.

199053855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The square root of 199053855 is about 14108.6446904017. The cubic root of 199053855 is about 583.8799080251.

The spelling of 199053855 in words is "one hundred ninety-nine million, fifty-three thousand, eight hundred fifty-five".