53199855 has 16 divisors (see below), whose sum is σ = 94577760. Its totient is φ = 28373184.

The previous prime is 53199841. The next prime is 53199859. The reversal of 53199855 is 55899135.

It is not a de Polignac number, because 53199855 - 2⁵ = 53199823 is a prime.

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 53199855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53199859) 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 15 ways as a sum of consecutive naturals, for example, 196902 + ... + 197171.

It is an arithmetic number, because the mean of its divisors is an integer number (5911110).

Almost surely, 2^53199855 is an apocalyptic number.

53199855 is a deficient number, since it is larger than the sum of its proper divisors (41377905).

53199855 is a wasteful number, since it uses less digits than its factorization.

53199855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394087 (or 394081 counting only the distinct ones).

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

The square root of 53199855 is about 7293.8230716134. The cubic root of 53199855 is about 376.1001294180.

The spelling of 53199855 in words is "fifty-three million, one hundred ninety-nine thousand, eight hundred fifty-five".