53219297 has 4 divisors (see below), whose sum is σ = 53447940. Its totient is φ = 52990656.

The previous prime is 53219291. The next prime is 53219311. The reversal of 53219297 is 79291235.

53219297 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.

It can be written as a sum of positive squares in 2 ways, for example, as 30647296 + 22572001 = 5536^2 + 4751^2 .

It is a cyclic number.

It is not a de Polignac number, because 53219297 - 2⁶ = 53219233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53219297.

It is not an unprimeable number, because it can be changed into a prime (53219291) 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, 113972 + ... + 114437.

It is an arithmetic number, because the mean of its divisors is an integer number (13361985).

Almost surely, 2^53219297 is an apocalyptic number.

It is an amenable number.

53219297 is a deficient number, since it is larger than the sum of its proper divisors (228643).

53219297 is a wasteful number, since it uses less digits than its factorization.

53219297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228642.

The product of its digits is 34020, while the sum is 38.

The square root of 53219297 is about 7295.1557214360. The cubic root of 53219297 is about 376.1459393683.

The spelling of 53219297 in words is "fifty-three million, two hundred nineteen thousand, two hundred ninety-seven".