53302819 has 4 divisors (see below), whose sum is σ = 53446096. Its totient is φ = 53159544.

The previous prime is 53302817. The next prime is 53302831. The reversal of 53302819 is 91820335.

It is a happy number.

53302819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91820335 = 5 ⋅18364067.

It is a cyclic number.

It is not a de Polignac number, because 53302819 - 2¹ = 53302817 is a prime.

It is a super-2 number, since 2×53302819² = 5682381026693522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53302817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71079 + ... + 71824.

It is an arithmetic number, because the mean of its divisors is an integer number (13361524).

Almost surely, 2^53302819 is an apocalyptic number.

53302819 is a deficient number, since it is larger than the sum of its proper divisors (143277).

53302819 is a wasteful number, since it uses less digits than its factorization.

53302819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143276.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53302819 is about 7300.8779609031. The cubic root of 53302819 is about 376.3426101394.

The spelling of 53302819 in words is "fifty-three million, three hundred two thousand, eight hundred nineteen".