53208819 has 20 divisors (see below), whose sum is σ = 79908400. Its totient is φ = 35283600.

The previous prime is 53208817. The next prime is 53208833. The reversal of 53208819 is 91880235.

It is not a de Polignac number, because 53208819 - 2¹ = 53208817 is a prime.

It is a super-2 number, since 2×53208819² = 5662356838749522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53208817) 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 19 ways as a sum of consecutive naturals, for example, 14469 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (3995420).

Almost surely, 2^53208819 is an apocalyptic number.

53208819 is a deficient number, since it is larger than the sum of its proper divisors (26699581).

53208819 is a wasteful number, since it uses less digits than its factorization.

53208819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 53208819 is about 7294.4375382890. The cubic root of 53208819 is about 376.1212521085.

The spelling of 53208819 in words is "fifty-three million, two hundred eight thousand, eight hundred nineteen".