53328819 has 8 divisors (see below), whose sum is σ = 71215312. Its totient is φ = 35497440.

The previous prime is 53328817. The next prime is 53328827. The reversal of 53328819 is 91882335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53328819 - 2¹ = 53328817 is a prime.

It is a super-2 number, since 2×53328819² = 5687925871869522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53328811) 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 7 ways as a sum of consecutive naturals, for example, 11464 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (8901914).

Almost surely, 2^53328819 is an apocalyptic number.

53328819 is a deficient number, since it is larger than the sum of its proper divisors (17886493).

53328819 is a wasteful number, since it uses less digits than its factorization.

53328819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27557.

The product of its digits is 51840, while the sum is 39.

The square root of 53328819 is about 7302.6583515868. The cubic root of 53328819 is about 376.4037908770.

The spelling of 53328819 in words is "fifty-three million, three hundred twenty-eight thousand, eight hundred nineteen".