53434217 has 4 divisors (see below), whose sum is σ = 53555280. Its totient is φ = 53313156.

The previous prime is 53434201. The next prime is 53434223. The reversal of 53434217 is 71243435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53434217 - 2⁴ = 53434201 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 53434217.

It is not an unprimeable number, because it can be changed into a prime (53454217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59867 + ... + 60752.

It is an arithmetic number, because the mean of its divisors is an integer number (13388820).

Almost surely, 2^53434217 is an apocalyptic number.

It is an amenable number.

53434217 is a deficient number, since it is larger than the sum of its proper divisors (121063).

53434217 is a wasteful number, since it uses less digits than its factorization.

53434217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121062.

The product of its digits is 10080, while the sum is 29.

The square root of 53434217 is about 7309.8712026957. The cubic root of 53434217 is about 376.6515999751.

The spelling of 53434217 in words is "fifty-three million, four hundred thirty-four thousand, two hundred seventeen".